PAA	Peer Access Approval
PAA	Procurement Appropriation, Army
PAB	Personal Address Book
PAB	Provinsial Admissions Board
PAC	Pacific Area Command
PAC	Pan Africanist Congress
PAC	Path Attenuation Compensation
PAC	Patriot Advanced Capability
PAC	PhotoActive Compound
PAC	Political Action Committee
PAC	Premature Atrial Contraction
PAC	Privilege Access Certificate
PAC	Probably Approximately Correct
PAC	Product Approval Committee
PAC	Program And Control
PAC	Proxy Auto-Config
PAC	Public Accounts Committee
PAC	Pure and Applied Chemistry
PAC	[IBM] Partner Agreement Connect
PAD	Packet Assembly/Disassembly
PAD	Payment Accounts Directive
PAD	People's Alliance for Democracy
PAD	Performance Assumption Document
PAD	Personal Account Dealing
PAD	Pulsed Amperometric Detection
PAE	Page Address Extensions
PAE	Physical Address Extensions
PAE	Power Added Efficiency
PAF	Pakistani Air Force
PAF	Patent Applied For
PAF	Philippine Air Force
PAF	Platelet Activating Factor
PAF	Portugese Air Force
PAG	Patent Advisory Group
PAG	People Against Genocide
PAG	PhotoAcid Generator
PAG	Phreaks Against Geeks
PAG	Process Authentication Groups
PAG	Protective Action Guideline
PAH	Polycyclic Aromatic Hydrocarbons
PAI	Personal Accident Insurance
PAI	Personality Assessment Inventory
PAI	Plant Application Integration
PAI	Principal Avionics Inspector
PAI	Procurement Automation Institute
PAI	Project Activity Icon
PAJ	Performing Arts Journal
PAK	Point And Kill
PAL	Permissible Action Link
PAL	Phase Alternating Line [system]
PAL	Platform Adaptation Layer
PAL	Preliminary Allowance List
PAL	Printer Address Label
PAL	Process Automation Language
PAL	Programmable Array Logic
PAL	[DEC AXP] Privileged Architecture Library
PAL	[Intel] Processor Abstraction Layer
PAM	Parent Account Manager
PAM	Party & Arrangement Management
PAM	Payload Assist Module
PAM	Pluggable Authentication Modules
PAM	Plugin Adapter Module
PAM	Polytangent Automatic Monochord
PAM	Portable Arbitrary Map
PAM	Pre-Assessment Meeting
PAM	Privileged Access Management
PAM	Process Application Module
PAM	Processor Affinity Mask
PAM	Programme Against Malnutrition
PAM	Protocol Analysis Module
PAM	Pulse Amplitude Modulation
PAM	[IBM] Partner Agreement Manager
PAN	Permanent Account Number
PAN	Personal Account Number
PAN	Personal Area Network
PAN	Pimp-Assed Newsreader
PAN	Primary Account Number
PAN	Professional Artists Network
PAO	Pierre Auger Observatory
PAO	Poppy Appeal Organiser
PAO	Product Assurance Officer
PAO	Provincial Administrative Organization
PAP	Password Authentication Protocol
PAP	People's Action Party
PAP	PPP Authentication Protocol
PAP	Printer Access Protocol
PAP	Process-Application Protocol
PAP	Product Assurance Plan
PAQ	Perceived Air Quality
PAR	Perl ARchive [Toolkit]
PAR	Place And Route
PAR	Plant Appropriation Request
PAR	Precision Approach RADAR
PAR	Problem Analysis Report
PAR	Program Appraisal & Review
PAR	Progressive Aircraft Rework
PAR	Purchasing Authorization Request
PAS	Package Architecture Specific
PAS	Persistent Application System
PAS	PhotoAcoustic Spectroscopy
PAS	Pitch Attitude Sensor
PAS	Polish Academy of Sciences
PAS	Pontifical Academy of Sciences
PAS	Power Available Shaft
PAS	Production Acceptance Specification
PAS	Publicly Available Specification
PAT	Performance Acceleration Technology
PAT	Personal Access Token
PAT	Point After Touchdown
PAT	Port Address Translation
PAT	Portable Appliance Testing
PAT	Production Acceptance Testing
PAT	Profit After Taxes
PAU	Passenger Address Unit
PAU	Passenger Analysis Unit
PAU	Performing Arts Unit
PAV	Precision Avionics Vectoring
PAW	Physics Analysis Workstation
PAW	Plasma Arc Welding
PAW	Privileged Access Workstation
PAW	Programmers At Work
PAX	Private Automatic eXchange
PAY	Prosecution Alternative for Youth
PAZ	Permanent Autonomous Zone
PAZ	Protective Action Zone
PBA	Pre-born Babies Aborted
PBA	Professional Bowlers Association
PBB	Physical Building Block
PBB	Project Budget Baseline
PBC	Personal Business Commitment
PBC	Peter Bruntnell Combination
PBC	PlayBack Control
PBC	Public Benefit Corporation
PBD	Place Bearing/Distance
PBD	Program Budget Decision
PBD	Programmer Brain Damage
PBE	Plain Both Ends
PBE	Poisson-Boltzmann Equation
PBE	Production Budgetary Estimate
PBE	Protective Breathing Equipment
PBF	Performance-Based Fee
PBF	Pilot Briefing Facility
PBF	Pretty Big Flaw
PBF	Provisioning Baseline File
PBG	Photonic Band Gap
PBG	Pressure Breathing Garment
PBG	Program and Budget Guidance
PBH	Peak Busy Hour
PBI	Poor Bloody Infantry
PBI	Product Backlog Item
PBJ	Peanut Butter and Jelly
PBK	Pseudophakic Bullous Keratopathy
PBL	Policy Block List
PBL	Poly-Buffered LOCOS
PBL	Problem-Based Learning
PBL	Product BaseLine
PBM	Play By Mail
PBM	Portable Bit-Map
PBM	Professional Business Management [course]
PBM	Public BookMark [Generator]
PBN	Pacific Bell Network
PBN	Pacific Business News
PBN	Packet Based Network
PBN	Page Box Number
PBN	Paint-By-Number
PBN	Paralytic Brachial Neuritis
PBN	Paris By Night
PBN	Partial Bayesian Network
PBN	Pass-By Noise
PBN	Paul Bunyan Network
PBN	Perfect By Nature
PBN	Performance Based Navigation
PBN	Peripheral Benign Neoplasm
PBN	Peripheral Border Node
PBN	PeroxyBenzoyl Nitrate
PBN	Personal Banking Number
PBN	Personal Best Nutrition
PBN	Personal Billing Number
PBN	Perth Bicycle Network
PBN	Perth Business Network
PBN	Physical Block Number
PBN	Plastic By Nature
PBN	Point Blank News
PBN	Points Behind Next
PBN	Policy-Based Networking
PBN	Portable Bridge Notation
PBN	Principal Bicycle Network
PBO	Predicted Branch Outcome
PBO	Process Before Output
PBP	Parametric Back Pressure
PBP	Perl Best Practices
PBP	Personal Business Plan
PBP	PotBellied Pig
PBQ	Perfume Bottle Quarterly
PBR	Panwa Beach Resort
PBR	Patrol Boat Reconaissance
PBR	Physically Based Rendering
PBR	Python Build Reasonableness
PBS	Pearls Before Swine
PBS	Photon BackScattering
PBS	Portable Batch System
PBS	Production Base Support
PBS	Public Broadcasting Service
PBT	Preliminary Breath Test
PBU	Philadelphia Biblical University
PBV	Pack Bypass Valve
PBV	Post-Boost Vehicle
PBW	Play By Web
PBW	Power By Wire
PBX	Private Branch eXchange
PBY	Phat and Blue Yamaha
PBY	Progressive Band Yes
PBZ	Physiologica and Biochemical Zoology
PCA	PC Advisor
PCA	Personal Carbon Allowance
PCA	Personal [Internet] Client Architecture
PCA	Physical Configuration Audit
PCA	Plug-in Compliant Application
PCA	Positive Controlled Airspace
PCA	Posterior Cortical Atrophy
PCA	Power Calibration Area
PCA	Principal Components Analysis
PCA	Printed-Circuit Assembly
PCA	Production Control Analyst
PCB	Panama City Beach
PCB	PolyChlorinated Biphenyls
PCB	Pop Culture Breakdown
PCB	Prefetch Candidate Buffer
PCB	Printed Circuit Board
PCB	Process Control Block
PCB	Process Control Book
PCB	Program Communication Block
PCB	Program Control Board
PCB	[TCP] Protocol Control Block
PCC	Pacific Coast [Climate] Collaborative
PCC	Park Conference Center
PCC	Parochial Church Council
PCC	Phyathai Cosmetic Center
PCC	Pilot Controller Communication
PCC	Piping, Cabling and Clamping
PCC	Police and Crime Commissioner
PCC	Portable C Compiler
PCC	Posterior Cingulate Cortex
PCC	Press Complaints Commission
PCC	Processor Cycle Counter
PCC	Program Configuration Controller
PCC	Project Control Centre
PCC	Proof-Carrying Code
PCD	Photo CD [image format]
PCD	Pollution Control Department
PCD	Programmed Cell Death
PCE	Personal Consumption Expenditures
PCE	Point, Click, Explode
PCE	Principle of Computational Equivalence
PCE	Process Control Engineer
PCF	Packet Control Function
PCF	Parallel Computing Forum
PCF	Personal Call Forwarding
PCF	Point Coordination Function
PCF	Portable Compiled Font
PCF	Product Control Framework
PCF	Programmable Command Format
PCF	Stephen Po-Chedley and Quang Fu
PCG	Process Change Guide
PCG	Product Component Group
PCH	Paging CHannel
PCH	Parallel CHannel
PCH	Patrol Craft, Hydrofoil
PCH	Platform Controller Hub
PCH	PreCompiled Header [file]
PCI	Pacific Century Insurance
PCI	Panel Call Indicator
PCI	Payment Card Industry
PCI	Peaceful Change Initiative
PCI	Pellet Clad Interaction
PCI	Perceived Characteristics of Innovating
PCI	Peripheral Component Interconnect
PCI	Presentation Context Information
PCI	Product Configuration Identification
PCI	Protocol Control Information
PCJ	Petroleum Company of Jamaica
PCK	Postal Corporation of Kenya
PCL	Pacific Coast League
PCL	Passive Coherent Location
PCL	Password Cracking Library
PCL	Performance Counter Library
PCL	Perry-Castaneda Library
PCL	PhoXo Core Library
PCL	Pipeline Creation Language
PCL	Point Cloud Library
PCL	Pontotoc County Library
PCL	Popular Culture Library
PCL	Portable Coroutine Library
PCL	Post Conference List
PCL	Prime Central London
PCL	Programmable Command Language
PCL	Project & Contract Language
PCL	Psychopath CheckList
PCL	PTSD CheckList
PCL	Public Company Limited
PCL	Python Cartographic Library
PCL	[Hewlett-Packard] Printer Control Language
PCM	Partial Comparison Method
PCM	Payment & Cash Management
PCM	Phase Changing Material
PCM	Phase-Change Memory
PCM	Please Call Me
PCM	Plug-Compatible Mainframe
PCM	Precinct Control Model
PCM	Pulse Code Modulation
PCN	Parts Change Notice
PCN	Personal Communications Network
PCN	Product Change Notification
PCN	Project Control Number
PCN	Public Communications Network
PCO	Peg Count and Overflow
PCO	PhotoCatalytic Oxidation
PCO	Principal Contacting Officer
PCO	Printing Control Officer
PCO	Process Change Order
PCO	Procurement Contracting Officer
PCP	Patent Commons Project
PCP	Pattern Classification Program
PCP	Peacock Cooking Pan
PCP	Performance Co-Pilot
PCP	PhenCyclidine Piperidine
PCP	PneumoCystis Pneumonia
PCP	Post's Correspondence Problem
PCP	Probe Coordination Protocol
PCP	Production Cost Plan
PCP	Publications Change Package
PCQ	Ports Corporation of Queensland
PCR	Peak Cell Rate
PCR	People's Council for Reform
PCR	Plan Change Request
PCR	Polymerase Chain Reaction
PCR	Principal Component Regression
PCR	Product Cross Reference
PCR	Program Change Request
PCR	Publication Change Request
PCR	[TCPA] Platform Configuration Register
PCS	Patchable Control Store
PCS	Paternal Conflict Syndrome
PCS	Permanent Change of Station
PCS	Personal Communications Service
PCS	Philippinie Computer Society
PCS	Preliminary Construction Specification
PCS	Private Client Services
PCS	Process Control Standard
PCS	Profile Connection Space
PCS	Programme Cost and Schedules
PCS	Punched Card System
PCS	[DCE] Portable Character Set
PCS	[Rotterdam] Port Community System
PCT	Patent Cooperation Treaty
PCT	Performance Counter Tool
PCT	Power Control Test
PCT	Process Change Team
PCT	Production Confirmatory Test
PCT	Protected Communications Transport
PCU	Packet Control Unit
PCU	Passenger Control Unit
PCU	Petra Christian University
PCU	Politically Correct University
PCU	Power Control Unit
PCV	Passenger-Carrying Vehicle
PCV	Peace Corps Volunteer
PCW	Post Consumer Waste
PCW	Previously Complied With
PCX	PaCific eXchange
PCX	Processor-Cache crossbar [!]
PCY	Perogative Court of York
PCZ	Physically-Protected Control Zone
PDA	Pathological Demand Avoidance
PDA	Personal Digital Assistant
PDA	Population [and Community] Development Association
PDA	Presidential Drawdown Authority
PDA	Principal Development Activity
PDA	Public Display of Anachronism
PDA	Push Down Automaton
PDB	Palm DataBase
PDB	Performance Data Base
PDB	Pod Disruption Budget
PDB	President's Daily Brief
PDB	Private Data Bus
PDB	Python DeBugger
PDB	[CIA] Presidential Daily Briefing
PDB	[Microsoft] Program DataBase
PDC	Park Distance Control
PDC	Part Data Configuration
PDC	Passive Data Collection
PDC	Pattaya Dive Center
PDC	Personal Digital Cellular
PDC	Point Defence Cannon
PDC	Portable Data Carrier
PDC	Pre-Departure Clearance
PDC	Primary Domain Controller
PDC	Printer Driver Communication
PDC	Procurement Data Clearance
PDC	Product Data Center
PDC	Professional Developers Conference
PDC	Publications Distribution Centre
PDD	Presidential Decision Directive
PDD	Provisioning Descriptive Data
PDE	Page Directory Entry
PDE	Partial Differential Equation
PDE	Personalised Development Environment
PDE	Plug-in Development Environment
PDE	Pulse Detonation Engine
PDF	Panamanian Defense Forces
PDF	People's Defense Force
PDF	Pop Directional Formatting
PDF	Power Distribution Frame
PDF	PreDefined Function
PDF	Pretty Damn Funny
PDF	Pretty Dress Fund
PDF	Primary Display Function
PDF	Probability Density Function
PDF	Profile Directed Feedback [Optimization]
PDF	Program Data Form
PDF	Program Development Facility
PDF	[Adobe Acrobat's] Portable Document Format
PDG	PolyAPM Decision Graph
PDG	Program Dependence Graph
PDH	Plesiochronous Digital Hierarchy
PDI	Pacific Data Images
PDI	Please Do Investigate
PDI	Power and Data Interface
PDI	Power Distance Index
PDJ	Packet Delay Jitter
PDJ	Patents and Designs Journal
PDJ	Peace and Dignity Journeys
PDJ	Pediatric Dental Journal
PDJ	Pleasure Driving Judge
PDJ	Print Driver Job
PDJ	Professional Development Journal
PDK	Palm Developers Kit
PDK	Process Design Kit
PDL	Page Description Language
PDL	Parts Distribution List
PDL	Program Description Language
PDL	Program Design Language
PDL	Public Documentation License
PDM	Partner Development Manager
PDM	Physical Data Model
PDM	Pneumatic Drive Motor
PDM	Possible Duplication Message
PDM	Preliminary Development Model
PDM	Professional Development Manager
PDM	Program Decision Memorandum
PDM	Programmed Depot Maintenance
PDM	Project Development Methodology
PDN	Packet Data Network
PDN	Public Data Network
PDO	Pacific Decadal Oscillation
PDP	Parallel Distributed Processing
PDP	Plasma Display Panel
PDP	Plone Documentation Project
PDP	Policy Decision Point
PDP	Policy Distribution Point
PDP	Process Development Program
PDP	Procurement Data Package
PDP	Professional Developers Program
PDP	Professional Development Program
PDP	[DEC] Programmed Data Processor
PDQ	Pretty Damn Quick
PDR	Parts Disposition Record
PDR	People's Democratic Republic
PDR	Personal Development Review
PDR	Physician's Desk Reference
PDR	Preliminary Design Review
PDR	Primary Defect Rate
PDR	Program Design Review
PDR	Publication Distribution Request
PDS	Packet Data Session
PDS	Patriotic Denial Syndrome
PDS	Physical Delivery System
PDS	Portable Data Store
PDS	Portable Display Shell
PDS	Positive Design Statement
PDS	Post Design Services
PDS	Post Development Support
PDS	Power Delivery Scheme
PDS	Premises Distribution System
PDS	Privately Developed Software
PDS	Production Design Stability
PDS	Program Design Services
PDS	Program Design Specification
PDS	Protected Distribution System
PDS	Public Domain Software
PDS	[XRT] Professional Developers' Suite
PDT	Pacific Daylight Time
PDT	Page Directory Table
PDT	Personal Data Transmitter
PDT	Post Design Tasks
PDT	PushDown Transduction
PDT	PushDown Translation
PDU	Power Distribution Unit
PDU	Power Drive Unit
PDU	Product Development Unit
PDU	Protocol Data Unit
PDV	Packet Delay Variation
PDV	Parameteric Drive Voltage
PDV	Payload Delivery Vehicle
PDV	Percent Daily Value
PDV	Personnel Decontamination Vehicle
PDV	Phase Doppler Velocimeter
PDV	Portable DVD Video
PDV	Portal-Drained Viscera
PDV	PreDelivery Verification
PDV	Presentation Data Value
PDV	Pressure Delivery Valve
PDV	Printer DriVer
PDV	Program Data Vector
PDV	Prune Dwarf Virus
PDV	Pulse Descriptor Vector
PDV	Pure Dried Vacuum
PDW	Personal Defense Weapon
PDX	Phone Data eXchange
PDX	Planet Deus eX
PDX	Pre-Deployment eXercise
PDX	Printer Description eXtension
PDX	Private Data eXchange
PDX	Product Data eXchange
PDX	Product Definition eXchange
PDY	Present for DutY
PDY	Principal DutY
PDY	Professional Development Year
PDZ	Permanent Danger Zone
PDZ	Priority Development Zone
PEA	Pipeline Emission Analysis
PEA	Provincial Electricity Authority
PEA	[Motorola 680x0] Push Effective Address
PEB	Peripheral Expansion Box
PEB	Post-Exposure Bake
PEC	Pattern Enforcing Compiler
PEC	Personal Equipment Connector
PEC	Photo Electric Cell
PEC	Printed Electronic Circuit
PED	Parole Eligibility Date
PED	Performance-Enhancing Drug
PED	Politically Evocative Declarations
PED	Portable Electronic Device
PED	Post-Exposure Delay
PEF	Platform Event Filtering
PEG	Pan-European [user] Group
PEG	PolyEthylene Glycol
PEG	Price Earnings Growth
PEG	Python Extensions for the Grid
PEI	Prince Edward Island
PEI	Production Engineering Instruction
PEL	Permissible Exposure Level
PEM	Post-Exertional Malaise
PEM	Prime Equipment Manufacturer
PEM	Privacy Enhanced Mail
PEM	Production Engine Management
PEM	Programming Environment Manual
PEM	Protein-Energy Malnutrition
PEN	Private Enterprise Number
PEO	Program Executive Office
PEP	Package Exchange Protocol
PEP	Packetized Ensemble Protocol
PEP	Paperless Environment Project
PEP	Persons of Exceptional Prominence
PEP	Policy Enforcement Point
PEP	Politically Exposed Person
PEP	Post-Exposure Prophylaxis
PEP	Pre Engine Production
PEP	Productibility Engineering and Planning
PEP	Productivity Enhancement Project
PEP	Pulsed Energy Projectile
PEP	Python Enhancement Proposal
PEP	[AGARD] Propulsion & Energetics Panel
PER	Parametric Estimating Relationship
PER	Player Efficiency Rating
PER	Program Event Recording
PER	[ASN.1] Packed Encoding Rules
PES	Packetized Elementary Stream
PES	Passenger Entertainment System
PES	PhotoElectron Spectroscopy
PES	Policy Escalation Support
PES	Production Engineering Support
PES	Professional Employee Seminar
PES	Professional Engineering Services
PET	Pacific Engineering Trials
PET	Platform Event Trap
PET	PolyEthylene Terephthalate
PET	Positron Emission Tomography
PET	Post Endurance Test
PET	Post-Etch Treatment
PET	Preliminary English Test
PET	Process Element Table
PEU	Pain Execution Unit
PEU	Penis Envy Uncut
PEU	Pylon Ejector Unit
PEX	Phigs Extension to X
PEX	Platform EXperience
PFB	Printer Font Binary
PFC	Passenger Facility Charge
PFC	Power Factor Correction
PFC	PreFrontal Cortex
PFC	Prepare For Change
PFC	Primary Flight Computer
PFC	Private First Class
PFC	Private Fucking Civilian
PFD	Personal Flotation Device
PFD	Preparation For Delivery
PFD	Primary Flight Director
PFD	Primary Flight Display
PFD	Process Flow Diagram
PFD	Pseudo-Full-map Directory
PFF	Progress & Freedom Foundation
PFI	Private Finance Initiative
PFJ	People's Front of Judea
PFJ	Pragmatic Functional Java
PFJ	Proposed Final Judgment
PFM	Pattaya Full Moon
PFM	PortFolio Management
PFM	PostScript Font Metrics
PFM	Program Flash Memory
PFM	Pulse Frequency Modulation
PFM	Pure Fucking Magic
PFP	Partnership For Peace
PFP	Pay For Play
PFP	[ROC] People First Party
PFR	Petition For Re-hearing
PFR	Post-Flight Report
PFR	Preliminary Flight Rating
PFR	Procedure for Field Rework
PFS	Perfect Forward Secrecy
PFS	Professional FileSystem
PFS	Prospero File System
PFS	[Netscape] Plug-in Finder Service
PFU	Predicate Forwarding Unit
PFW	Paris Fashion Week
PFY	Pimply-Faced Youth
PGA	Patches Gratefully Accepted
PGA	Pin Grid Array
PGA	Professional Golf Association
PGA	Professional Graphics Adapter
PGA	Pure Grain Alcohol
PGB	Planetary Gray Body
PGC	Parameter Grouping Code
PGC	Provisioning Guidance Conference
PGD	Page Global Directory
PGE	Payment Gateway Emulator
PGF	Portable Graphic Format
PGF	Precision Guided Firearm
PGI	Progeny Graphical Installer
PGM	Platinum-Group Metals
PGM	Pragmatic General Multicast
PGM	Precision Guided Munitions
PGM	Prediction by Grammatical Match
PGM	ProGram Manager
PGN	Portable [chess] Game Notation
PGO	Profile-Guided Optimization
PGO	Prosecutor General's Office
PGP	Pretty Good Privacy
PGR	Patriot Guard Riders
PGW	Pelham Grenville Wodehouse
PHA	Pairwise Homogenization Algorithm
PHA	Pre-Harvest Assessment
PHA	Preliminary Hazard Analysis
PHA	Pulse Height Analysis
PHB	Per-Hop Behaviour
PHB	Pointy-Haired Boss
PHB	Poly-beta-HydroxyButyrate
PHC	Probe Heat Computer
PHC	Pseudo Hilbert Curve
PHD	PHilosophiae Doctor
PHD	Phone and Hyperscale Delivery
PHD	Piled Higher and Deeper
PHD	Pokes Holes in Donuts
PHD	Pokes Holes in Doughnuts
PHD	Pretty Hard Diploma
PHD	Pumpkin Humpin' Dan
PHE	Public Health England
PHF	Perfect Hash Function
PHI	Protected Health Information
PHK	Poul-Heening Kamp
PHL	Preliminary Hazard List
PHM	Patrol Hydrofoil Missile
PHM	Project Hail Mary
PHP	Personal HomePage
PHP	PHantastic Pseudology
PHP	PHP: Hypertext Preprocessor
PHP	Pretty Hard Penis
PHP	Pretty Hopeless Programming
PHP	Pretty Horrendous Planning
PHP	Programmable Hyperlinked Pasta
PHQ	Parts HeadQuarters
PHQ	Postal HeadQuarters
PHR	Physicians for Human Rights
PHS	Packaging, Handling and Storage
PHS	Personal Handyphone System
PHS	Public Health Scotland
PHS	Public Health Service
PHS	Pumped Hydro Storage
PHT	Pattern History Table
PIA	Pain In the Ass
PIA	Pakistani International Airline
PIA	Plug-In Administrator
PIA	Privacy Impact Assessment
PIB	Parachute Infantry Battalion
PIB	Partially Ionized Beam
PIB	Particle In a Box
PIB	Partners In Business
PIB	Partnership Initiative Budget
PIB	Partnership Innovation Budget
PIB	Performance Indicator Benchmarking
PIB	Personal Information Bank
PIB	Policy Information Base
PIB	Porn Is Bad
PIB	Position Interface Box
PIB	Power Interface Board
PIB	Pre-flight Information Bulletin
PIB	Pre-Inspection Briefing
PIB	Press Information Bureau
PIB	Prime Infrastructure Board
PIB	Probe Interface Board
PIB	Processor In a Box
PIB	Procurement Information Bulletin
PIB	Product Information Bulletin
PIB	Programme in International Business
PIB	Public Information Brochure
PIB	Public Interest Bureau
PIB	Public Investment Board
PIB	Put-It-Back
PIC	Parallel Instruction Computing
PIC	People In Charge
PIC	Personal Identification Code
PIC	Personal Internet Communicator
PIC	Pilot In Command
PIC	Plastic-Insulated Cable
PIC	Position-Independent Code
PIC	Presidential Inaugural Committee
PIC	Primary Independent Carrier
PIC	Processing Instruction Close
PIC	Programmable Interrupt Controller
PIC	[IBM] Product Introduction Centre
PID	Pelvic Inflammatory Disease
PID	Photo Ionization Detection
PID	Positive IDentification
PID	Process IDentifier
PID	Processor IDentifier
PID	Procurement Identification Descriptions
PID	Product IDentification
PID	Project Identification Document
PID	Proportional Integral Derivative
PID	Proportional Integrative Derivative
PID	Protocol IDentifier
PIE	Payment Initiation Engine
PIE	Performance Impacting Error
PIE	Performance, Image, Exposure
PIE	Position Is Everything
PIE	Position-Independent Executable
PIE	Pre-Internet Encryption
PIE	Program Interruption Element
PIE	Proto Indo-European
PIF	Pacific Islands Forum
PIF	Paid In Full
PIF	Palestine Investment Fund
PIF	Pilot Information Files
PIF	Police Innovation Fund
PIF	Price Increase Factor
PIF	Productivity Improvement Funds
PIF	Public Investment Fund
PIF	[Microsoft Windows] Program Information File
PIG	Performance Interaction Group
PIG	Pine Island Glacier
PII	Personally Identifiable Information
PII	Platform Isolation Interface
PIJ	Palestinian Islamic Jihad
PIL	Pain In Leg
PIL	Preferred Items List
PIL	Public Image Limited
PIL	Python Imaging Library
PIM	Parallel Inference Machine
PIM	Party Information Management
PIM	Personal Information Manager
PIM	Plug-In Module
PIM	Poultry Integration Model
PIM	Processor In Memory
PIM	Product Information Management
PIM	Protocol Independent Multicast
PIN	Personal Identification Number
PIN	Publications Identification Number
PIO	Parallel Input/Output [chip]
PIO	Pilot Identity Override
PIO	Pilot Induced Oscillations
PIO	Processor Input/Output
PIO	Programmed Input/Output
PIO	Provisioned Items Order
PIP	P Internet Protocol
PIP	Packet Interface Port
PIP	Partner Interface Process
PIP	Performance Improvement Package
PIP	Performance Improvement Plan
PIP	Peripheral Interchange Program
PIP	Personal Independence Payment
PIP	Personal Independent Payments
PIP	Point In Polygon [Problem]
PIP	Pretty In Pink
PIP	Process-Induced Particle
PIP	Product Improvement Plan
PIP	Production Investment Phase
PIP	Promoting Integrity Programme
PIP	Python In PHP
PIR	Party for Islamic Renewal
PIR	Passive InfraRed
PIR	Post Implementation Review
PIR	Post Incident Review
PIR	Priority Intelligence Requirement
PIR	Processor ID Register
PIR	Project Implementation Review
PIR	Public Interest Registry
PIR	[PPC] Processor Identification Register
PIS	Payment Initiation Services
PIS	Project Implementation Schedule
PIT	Point In Time
PIT	Precision Immobilization Technique
PIT	Precision Immobilization Technique.
PIT	Principal, Interest, and Taxes
PIU	Passenger Information Unit
PIU	Peripheral Interface Unit
PIV	Peak Inverse Voltage
PIV	Personal Identity Verification
PIX	Proprietary [Application] Identifier eXtension
PJA	Pure Java AWT
PJB	Personal Juke Box
PJD	Paul Junior Design
PJP	Paul Jackson Productions
PKD	Philip K. Dick
PKD	Philip Kindred Dick
PKE	Public Key Encryption
PKI	Public Key Infrastructure
PKP	Public Key Pinning
PLA	PolyLactic Acid
PLA	Power Level Angle
PLA	Private Label Article
PLA	Programmable Logic Array
PLA	Public Library Association
PLA	[PRC] People's Liberation Army
PLB	Processor Local Bus
PLC	Planar Lightwave Circuit
PLC	Programmable Logic Controller
PLC	Public Limited Company
PLD	Personal Laser Defense
PLD	Product Liability Directive
PLD	Programmable Logic Device
PLE	Pre Lecture Exercise
PLF	Pacific Legal Foundation
PLF	Passenger Locator Form
PLF	Premium Large Format
PLF	Python Lattice Format
PLG	Product-Led Growth
PLG	Project Looking Glass
PLL	Phase-Locked Loop
PLL	Plasma LockLoad
PLL	Prescribed Load List
PLM	Partition Load Manager
PLM	Politico-Legal-Media [Complex]
PLM	Poor Little Microsoft
PLM	Product Lifecycle Management
PLM	Product Line Manager
PLM	Production Line Maintenance
PLM	Programming Language for Microcomputers
PLO	Palestine Liberation Organization
PLO	Perform Locked Operation
PLO	Please Leave On
PLP	Packet-Layer Protocol
PLP	Progressive Labor Party
PLR	Private Label Rights
PLR	Procedure Level Relocation
PLS	Partial Least Squares
PLS	Phased Logistic Support
PLS	Physical Layer Signaling
PLT	Panduit Locking Tie
PLT	Procedure Linkage Table
PLT	Procurement Load Time
PLT	Production Lead Time
PLT	Production Load Time
PLT	Program List Table
PLT	Purchasing Lead Time
PLU	People Like Us
PLU	Pilots Lever Unit
PLU	Preservation of Location Uncertainty
PLU	Price Look-Up [#]
PLU	Primary Logic Unit
PLY	PhotoLimited Yield
PMA	Pakistani Military Academy
PMA	Parts Manufacturing Approval
PMA	Permanent Magnet Alternator
PMA	Phased Maintenance Availability
PMA	Physical Medium Attachment
PMA	Portable Maintenance Aid
PMA	Positive Mental Attitude
PMA	Pressurised Mating Adapter
PMB	Performance Measurement Baseline
PMB	Private MailBox
PMC	Partial Mission Capable
PMC	Performance Management Computer
PMC	Performance Monitor Counter
PMC	Performance Monitoring Check
PMC	Permanently Manned Capability
PMC	Pizza MasterClass
PMC	Power Management Control
PMC	Primary Mission Capable
PMC	Private Military Contractor
PMC	Process Module Controller
PMC	Procurement Method Code
PMC	Programmable Metalization Cell
PMC	Project Management Committee
PMC	Provisional Memory Cover
PMC	PubMed Central
PMC	[Microsoft] Portable Media Center
PMD	Page Middle Directory
PMD	Physical Medium Dependent
PMD	Program Management Directive
PMD	Program Management Division
PMD	Program Management Document
PMD	Programming Mistake Detector
PME	Primary Mission Equipment
PME	Principal Mission Element
PME	Properties, Methods and Events
PMF	Pointer to Member Function
PMF	Polimi Motorcycle Factory
PMF	Popular Mobilization Forces
PMF	Probability Mass Function
PMF	Project Management Fundamentals
PMG	Page Map Group
PMG	Permanent Magnetic Generator
PMG	Prart Music Group
PMG	Priority Monitor Group
PMI	Phase Measuring Interferometer
PMI	Portable Management Interface
PMI	Principal Maintenance Inspector
PMI	Project Management Institute
PMI	Purchasing Managers Indices
PMJ	PostModern Jukebox
PML	Pakistan Muslim League
PMM	Percona Monitoring and Management
PMM	Permanent Multipurpose Module
PMM	Primary Market Maker
PMN	PolyMorphonuclear Neutrophil
PMN	PreManufacture Notice
PMN	Public Mobile Network
PMO	Pacific Multidecadal Oscillation
PMO	Prime Minister's Office
PMO	Program Management Office
PMP	Package Maintainer Page
PMP	Performance Management Pack
PMP	Performance Monitoring Pack
PMP	Performance Monitoring Program
PMP	Probable Maximum Precipitation
PMP	Project Management Professional
PMR	Perpendicular Magnetic Recording
PMR	Personal Mobile Radio
PMR	Pridnestrovian Moldavian Republic
PMR	Problem Management Record
PMR	Progressive Muscle Relaxation
PMS	Painful Mortal Shedding
PMS	Particle Measuring System
PMS	Password Management System
PMS	Performance Management System
PMS	Perpetual Motion Squad
PMS	Phone Monitoring System
PMS	Physical Medium Specific
PMS	Pipeline Management System
PMS	Planned Maintenance Schedule
PMS	Poverty Monitoring System
PMS	Power Management System
PMS	PreMedical School
PMS	PreMenstrual Syndrome
PMS	Presbyterian Mutual Society
PMS	Process and Materials Specification
PMS	Programme Management System
PMS	Progressive Management Systems
PMS	Project Management System
PMS	Protected Message Service
PMS	Punish Men Severely
PMS	Python Mail System
PMT	PhotoMultiplier Tube
PMU	Performance Monitoring Unit
PMU	Popular Mobilization Units
PMU	Power Management Unit
PMU	Precision Measurement Unit
PMV	Protective Military Vehicle
PMW	Palestinian Media Watch
PNA	Passed, Not Advanced
PNA	Peptide Nucleic Acid
PNB	Pacific Northwest Bell
PNC	Police National Computer
PND	PostNatal Day
PND	Primary Navigation Display
PNF	Pilot Non-Flying
PNG	Papua New Guinea
PNG	Passive Night Goggles
PNG	Persona Non Grata
PNG	PNG's Not GIF
PNG	Portable Network Graphics [format]
PNI	Part Number Index
PNI	Passenger Name Index
PNI	[Intel] Penryn New Instructions
PNI	[Intel] Prescott New Instructions
PNL	Passenger Names List
PNL	Profit aNd Loss
PNM	Potential New Member
PNN	Porn News Network
PNP	Party 'N' Play
PNP	Patterns aNd Practices
PNP	Plug 'N' Play
PNP	Private Numbering Plan
PNQ	Productivity 'N' Quality
PNR	Passenger Name Record
PNR	Point of No Return
PNS	Peripheral Nervous System
PNS	Post Normal Science
PNT	Path1 Network Technologies
PNW	[USA] Pacific North West
POA	Pay On Arrival
POA	Plan Of Action
POA	Plan Of Attack
POA	Portable Object Adapter
POA	Power Of Attorney
POA	[Harry Potter and the] Prisoner Of Azkaban
POB	Persons On Board
POB	Pressure Off Brake
POC	People Of Color
POC	Person Of Concern
POC	Piece Of Crap
POC	Point Of Contact
POC	Port Of Call
POC	Portable Oxygen Concentrator
POC	Preliminary Operational Capability
POC	Proof Of Concept
POC	Provincial Officer Coordination
POC	Push-to-talk Over Cellular
POD	Paid On Delivery
POD	Parts On Demand
POD	Payable On Death
POD	Picture Of the Day
POD	Ping Of Death
POD	Point Of Distribution
POD	Post-Orgasmic Depression
POD	Prince Of Darkness
POD	Pseudo Open Drain
POD	Publish On Demand
POD	[C++] Plain Old Data
POD	[Perl] Piece Of Documentation
POE	Peace On Earth
POE	Perl Object Environment
POE	Piss Off Early
POE	Plan Of Exploration
POE	Point Of Embodiment
POE	Point Of Entry
POE	Port Of Entry
POE	Power Over Ethernet
POE	Preparations for Overseas Embarcation
POE	Purity Of Essence
POF	Phase Of Flight
POF	Programmable Operator Facility
POG	Person Of Girth
POH	Pilot's Operating Handbook
POH	Power-On Hours
POH	Proteus Operations Handbook
POI	Point Of Information
POI	Point Of Interest
POI	Power-On Initialization
POI	Prevention Of Injury
POI	Primary Operations Inspector
POI	Principal Operations Inspector
POI	Probability Of Intercept
POL	Petrol, Oil, and Lubricants
POM	Path-O-Matic
POM	Phase Of Moon
POM	Plus Or Minus
POM	Program Objectives Memorandum
POM	Project Object Model
PON	Passive Optical Network
PON	Practice On Names
POP	Palladio Olimpico Project
POP	Persistant Organic Pollutants
POP	Point Of Presence
POP	Point Of Production
POP	Policy On Policy
POP	Post-Object Programming
POP	Post-Office Protocol
POP	PowerPC Open Platform
POP	Pretty On Parade
POP	Proceedings Order Plans
POP	Processor On Plug-in
POP	Proof Of Principle
POP	Proof Of Purchase
POP	P[OWER]5 & Oracle Package
POR	Pacific Ocean Region
POR	Point Of Regulation
POR	Power On Reset
POR	Price On Request
POR	Programme and Operations Review
POS	Parents Over Shoulder
POS	Peacetime Operating Stocks
POS	Piece Of Shit
POS	Player-Owned Structure
POS	Point Of Sales
POS	Post-vaccination Onset Smugness
POS	Power Of Suggestion
POS	Programmable Option Select
POS	Proof Of Stack
POS	Publications Order Sheet
POS	[CORBA] Persistent Object Services
POS	[TCP] Partial Order Service
POT	Pass Of Test
POT	Portable Object Template
POT	Previous Operating Time
POT	Pump Off Time
POV	Point Of View
POV	Privately Owned Vehicle
POV	Proof Of Value
POW	Prisoner Of War
POW	Proof Of Work
POW	Protect Our Winters
POX	Plain Old XML
PPA	Personal Package Archive
PPA	Pony Pimpage Abounds
PPA	Positively Preposterous Acronyms
PPA	Post Pack Audit
PPA	Potentially Promiscuous Activities
PPA	Powerfully Potent Activities
PPA	Prancing Pirate Architecture
PPA	Provisional Patent Application
PPA	Python Publishing Accessories
PPA	[USA] Privacy Protection Act
PPB	Parts Per Billion
PPB	Portland Police Bureau
PPB	Power Plant Bulletin
PPB	Provisioning Parts Breakdown
PPC	Paracetamol Propyphenazon Cafeine
PPC	Patrol Plane Commander
PPC	Pay Per Click
PPC	People's Party of Canada
PPC	Petroleum Planning Committee
PPC	Point Per Clock
PPC	Polar Penal Colony
PPC	Portable Personal Computer
PPC	Power Plant Change
PPC	Preliminary Path Caching
PPC	Public Power Corporation [of Greece]
PPC	[AIM] PowerPC [processor architecture]
PPC	[Microsoft] Pocket PC
PPD	Peripheral Pulse Distributor
PPD	Personal Priority Display
PPD	PostScript Printer Description
PPD	Pre-Prosecution Diversion
PPD	Presidential Policy Directive
PPD	Presidential Protective Division
PPD	Provisioning Procurement Data
PPE	Pegged Price Element
PPE	Personal Protective Equipment
PPE	Politics, Philosophy and Economics
PPE	PowerPC Processing Element
PPG	Pittsburgh Post-Gazette
PPG	Power Puff Girls
PPG	Push Proxy Gateway
PPH	Pounds Per Hour
PPI	Payment Protection Insurance
PPI	Pixels Per Inch
PPI	Planned Position Indicator
PPI	Pre-Plant Incorporated [herbicide]
PPI	Preparatory Production Investment
PPI	Present Position Indicator
PPI	Procurement Package Input
PPI	Producer Price Index
PPI	Professional Press Incorporated
PPI	Programmable Peripheral Interface
PPI	Proton Pump Inhibitor
PPL	Parallel Platform Library
PPL	Parma Polyhedra Library
PPL	Private Pilot's License
PPL	Provisioning Parts List
PPM	Pages Per Minute
PPM	Parts Per Million
PPM	Patent Portfolio Manager
PPM	Performance Policies Module
PPM	Periodic Process Measurements
PPM	Prediction by Partial Matching
PPM	Processor Power Module
PPM	Product Portfolio Management
PPM	Project Portfolio Management
PPM	Project Profile Manual
PPM	Pulse Position Modulation
PPN	Parameterized Post-Newtonian [formalism]
PPN	Parts Position Numbers
PPN	Project Programmer Number
PPO	Preferred Provider Organization
PPO	Presidential Personnel Office
PPO	Product Process Organisation [model]
PPP	Pakistan People's Party
PPP	Partially Populated Processor
PPP	Pastorate for Public Projects
PPP	Pattaya Prime Properties
PPP	Paycheck Protection Program
PPP	People Power Party
PPP	Personal Pen and Paper
PPP	Personal Perspiration Point
PPP	Personnel Performance Profile
PPP	Pink Point of Presence
PPP	Point-to-Point Protocol
PPP	Possible, Private, Profitable
PPP	Proper Police Procedure
PPP	Purchasing Power Parity
PPP	[Eclipse] Project Proposal Phase
PPR	Page Performance Report
PPR	Periodic Performance Report
PPR	Program Progress Review
PPR	Prospective Price Redetermination
PPS	Packets Per Second
PPS	Palestinian Prisoners Society
PPS	Parts Procurement System
PPS	Pass-Pass-Self
PPS	Peripheral Pin Select
PPS	Post-Production Support
PPS	Principal Private Secretary
PPS	Product Performance Survey
PPS	Provisioning Performance Schedule
PPS	Public Packet Switching [network]
PPS	Pulse Per Second [Signal Interface]
PPS	[GPS] Precise Positioning Service
PPT	Parts Per Trillion
PPT	Protect the Public's Trust
PPT	Pulse Pair Timing
PPT	Punched Paper Tape
PPU	Parallel Processing Unit
PPU	Particulates Per Unit
PPU	Physics Processing Unit
PPU	Position Pickup Unit
PPV	Pay Per View
PPW	Positive Pressure Waistcoat
PQA	Palm Query Application
PQA	PostgreSQL Query Analyzer
PQC	Post-Quantum Cryptography
PQE	Process Quality Engineering
PQE	Product Quality Engineer
PQI	PCIe Queuing Interface
PQI	Picture Quality Index
PQM	Patch Queue Manager
PQM	Plant Quarantine Manual
PQM	Power Quality Meter
PQM	Problematic Queue Munging
PQR	Preliminary Quality Record
PQT	Preliminary Qualification Test
PRA	Pest Risk Assessment
PRA	Presidential Records Act
PRA	Probabilistic Risk Assessment
PRA	Public Relations and Awareness
PRA	Purported Responsible Address
PRB	Periodic Review Board
PRB	Problem Review Board
PRB	Program Request Block
PRB	Programme Requirement Baseline
PRB	Project Review Board
PRB	Pseudo-Random Binary
PRB	Publications Review Board
PRC	People's Republic of China [as opposed to ROC]
PRC	Planning Research Corporation
PRC	Privacy Rights Clearinghouse
PRD	Performance Requirement Document
PRD	Permanent Reference Document
PRD	Product Requirements Document
PRD	Program Requirements Document
PRD	Public Relations Department
PRE	Pacific Range Engineering
PRE	Partial Redundancy Elimination
PRF	Product-Release-Finder
PRF	Pulse Rate Frequency
PRF	Pulse Repetition Frequency
PRG	Political Recovery Group
PRI	Past Reality Integration
PRI	Plant Research International
PRI	Primary Rate Interface
PRI	Pulse Rate Interval
PRI	Pulse Repetition Internal
PRK	People's Republic of Kampuchea
PRL	Parts Requirement List
PRL	Physical Research Laboratory
PRL	Physical Review Letters
PRL	PRiority Level
PRL	[DEC] Paris Research Laboratory
PRM	Partner Relationship Management
PRM	Patient Relationship Management
PRM	Precision Runway Monitoring
PRM	Primary Rate Multiplexer
PRM	Project Review Meeting
PRM	[USA Bureau of] Population, Refugees, and Migration
PRN	Parts Reference Number
PRN	Platte River Networks
PRN	Pro Re Nata
PRN	Pseudo Random Noise
PRO	Pasadena Roof Orchestra
PRO	Prose Resource Operative
PRO	Public Record Office
PRO	Public Relations Officer
PRP	Pattern Recognition in Physics
PRP	Permanent Residence Permit
PRP	Platelet-Rich Plasma
PRR	Personal Role Radio
PRR	Production Readiness Review
PRR	Proportional Reporting Ratio
PRS	Parallel Range Sensing
PRS	Personal Response System
PRS	Product Requirement Specification
PRS	Provisioning Requirements Statement
PRT	Partially Resident Texture
PRT	Platinum Resistance Thermometer
PRT	Provincial Reconstruction Team
PRT	Public Routing Topology
PRT	Puerto Rican Twink
PRT	Pump Run Time
PRV	Person Rail-guided Vehicle
PRV	Pressure Regulator Valve
PSA	Pity, Shame, Anger
PSA	Post-Shakedown Availability
PSA	Power Supply Assembly
PSA	Private Synthetic Agent
PSA	Problem, Solution, Acceptance
PSA	Prostrate-Specific Antibodies
PSA	Public Service Announcement
PSA	Public Statement Analyzer
PSB	Pet Shop Boys
PSB	Phase Shifting Blank
PSB	Predictor-Directed Stream Buffer
PSB	Product Security Baseline
PSB	Program Specification Block
PSB	Public Security Bureau
PSC	Parameter Sequencing Code
PSC	Personal Services Contract
PSC	Pittsburgh Supercomputer Center
PSC	Plasma Spray Coating
PSC	Polar Stratospheric Clouds
PSC	Porous Silicon Capacitor
PSC	Port State Control
PSC	Post Sex Clean up
PSC	Pre-Selected Course
PSC	Prime Service Catalog
PSC	Prime Service Contractor
PSC	Principal Subordinate Commander
PSC	Private Security Company
PSC	Product Support Committee
PSC	Professional Staffing Center
PSC	Public Safety Calling [System]
PSC	Public Service Commission
PSD	Parts Support Digest
PSD	Port Status Display
PSD	Power Saving Drive
PSD	Power Spectral Density
PSD	Process Structure Diagram
PSD	Product Support Division
PSD	Program Support Data
PSD	Project Scope Document
PSD	[IBM] Printing Systems Division
PSE	Packet Switch Exchange
PSE	Page-Size Extensions
PSE	Payment System Environment
PSE	Peculiar Support Equipment
PSE	Price Subject to Escalation
PSE	Problem Solving Environment
PSE	Programming Support Environment
PSE	Project Support Environment
PSE	Public Sector Enterprise
PSE	Python Servlet Engine
PSF	Point Spread Function
PSF	Provisioning Suspense File
PSF	Python Software Foundation
PSG	PhosphoSilicate Glass
PSG	Platoon SerGeant
PSG	Propulsion System Group
PSG	Python Style Guide
PSG	[HP] Peresonal Systems Group
PSG	[SUN] Professional Service Group
PSH	Predictive Self-Healing
PSH	PreSelected Heading
PSI	Packet Switch Interface
PSI	Packet System Information
PSI	Packetnet System Interface
PSI	Paper Ship Initiative
PSI	Population Services International
PSI	Pounds per Square Inch
PSI	Pressure Stall Information
PSI	Private Sector Involvement
PSI	Privilege against Self Incrimination
PSI	Problem Source Identification
PSI	Project Security Instruction
PSI	Propulsion System Interface
PSJ	Partial Summary Judgment
PSK	Phase Shift Keying
PSK	PreShared Key
PSL	Party for Socialism and Liberation
PSL	PolyStyrene Latex
PSL	Potential Suppliers List
PSL	Probabilistic Skip List
PSL	Problem Solving Leadership
PSL	Problem Statement Language
PSM	Packet Service Module
PSM	Personal Security Manager
PSM	Phase Shifting Mask
PSM	Porsche Stability Management
PSM	Position Switching Module
PSM	Power Scripts for Mambo
PSM	Power Supply Modules
PSM	Printing System Manager
PSM	Producibility Study Memorandum
PSM	Product Support Manager
PSM	Professional Service Manager
PSM	Project Scope Meeting
PSM	Propensity Score Matching
PSN	Packet Switching Node
PSN	Packet-Switched Network
PSN	Processor Serial Number
PSO	Partial Store Order
PSO	Partial Store Ordering
PSO	Pending Service Order
PSP	PaintShop Pro
PSP	Pastoral Support Plan
PSP	People's Socialist Party
PSP	Perforated Steel Planking
PSP	Personal Software Process
PSP	Personal Survival Pack
PSP	Platform Security Processor
PSP	PlayStation Portable
PSP	Pod Security Policy
PSP	Preventive Service Planning
PSP	Product Support Plan
PSP	Product Support Programs
PSP	Professional Skills Portfolio
PSP	Program Segment Prefix
PSP	Progressive Supranuclear Palsy
PSP	ProLiant Support Pack
PSP	Python Server Pages
PSR	Panel Self-Refresh
PSR	Performance, Scalability, and Reliability
PSR	Point of Safe Return
PSR	Praise, Support, or Represent
PSR	Precision-Scheduled Railroading
PSR	Primary Surveillance RADAR
PSR	Product Specific Realizations
PSR	Product Specific Release
PSR	Project Status Report
PSR	Propulsion System Review
PSS	Packet Switch Stream
PSS	Packet-Switched Services
PSS	Pass-Self-Self
PSS	Passenger Service System
PSS	Perfect-Surface Silver
PSS	Planning SubSystem
PSS	Primary Sub-Source
PSS	Product Support Services
PSS	Programme Schedule System
PSS	Proportional Set Size
PSS	Proximity Sensor System
PST	Pacific Standard Time
PST	Personal Solar Telescope
PST	Personal Survival Techniques
PST	Petroleum Storage Tank
PST	Physical Screening Test [US Navy]
PST	Potassium Sensitivity Test
PST	Pre-Service Teacher
PST	Pre-Service Training
PST	Pressure Sensitive Tape
PST	Product Support Team
PST	Product Support Tool
PST	Provincial Sales Tax
PST	Pulsed Signal Therapy
PSU	Passenger Service Unit
PSU	Patch Set Update
PSU	Pedal Sensor Unit
PSU	Penn State University
PSU	People Services Update
PSU	Personal Skill Update
PSU	Power Supply Unit
PSU	Primary Sampling Unit
PSU	Professional Services Unit
PSU	Program Storage Unit
PSV	Port, Sherry, Vermouth
PSW	Platform SoftWare
PSW	Processor Status Word
PTA	Parent-Teacher Association
PTA	Permission To Approach
PTA	Person To Act
PTA	Pitch Trim Actuator
PTA	Post and Telecoms Authority
PTA	Post-Turbine Augmentation
PTA	Premium Transportation Authorization
PTA	Prepaid Ticket Advice
PTA	Printer Terminal Address
PTA	Priority Target Accept
PTA	Publish, Transact and Analyze
PTB	Powers That Be
PTB	Precision-Timed Blast
PTC	Passenger Type Code
PTC	Patches Thoughtfully Considered
PTC	Positive Temperature Coefficient
PTC	Pre-Travel Clearance
PTC	Production Tax Credit
PTC	[OMG] Platform Technology Committee
PTD	Parallel Transfer Disk
PTD	Protected Transaction Display
PTD	Provisioning Technical Data
PTD	Provisioning Technical Documentation
PTE	Page Table Entry
PTE	Patch and Test Equipment
PTE	Payment Tracking Engine
PTE	Physical Training Education
PTE	Pressure-induced Thermal Enhancement
PTF	Paul Timothy Fenney
PTF	Peak Temperature Factor
PTF	Petroleum [Special] Trust Fund
PTF	Prime Time Freeware
PTF	Program Temporary Fix
PTF	Programmed To Fail
PTH	Phantom Time Hypothesis
PTH	Plated Through Hole
PTH	PreTokenized Headers
PTI	Physical Training Instructor
PTI	Portable Test Instrument
PTI	Press Trust of India
PTL	Praise The Lord
PTL	Project Team Lead
PTM	Packet Transfer Mode
PTM	Partially Transmitted Message
PTM	Peripheral Trace Memory
PTM	Personal Transportation Module
PTM	Polynomial Texture Map
PTM	Preliminary Technical Manual
PTN	Plan Test Number
PTN	Public Telephone Network
PTO	Paid Time Off
PTO	Personal Time Off
PTO	Please Turn Over
PTO	Power Take Off
PTO	Preliminary Technical Order
PTO	[USA] Patent and Trademark Office
PTP	Pattern Translation Process
PTP	Personnel Training Plan
PTP	Picture Transfer Protocol
PTP	Point To Point
PTP	Prime-Time Player
PTP	Programming & Test Panel
PTP	Public Telepresence Point
PTP	Publicly Traded Partnership
PTR	Pittsburgh Tribute-Review
PTR	Production Test Requirements
PTS	Package Tracking System
PTS	Parallel Transaction Server
PTS	Participating Test Site
PTS	Placeless Translation Service
PTS	Potential Trouble Source [for Scientology]
PTS	Power Turbine Shaft
PTS	Presentation Time Stamp
PTS	Production Test Schedule
PTS	Program Tracking System
PTS	Project Tracking System
PTS	[C++] Partial Template Specialization
PTT	Part Task Trainer
PTT	Per Thread Time
PTT	Platform Trust Technology
PTT	Post, Telegraph and Telecommunications
PTT	Post, Telephone and Telegraph
PTT	Presidential Transition Team
PTT	Press To Transmit
PTT	Push To Talk
PTU	Post-TransUranic [Elements]
PTU	[Hydraulic] Power Transfer Unit
PTV	Passenger Transport Vehicle
PTV	Porsche Torque Vectoring
PTV	Propulsion Technology Validation
PTW	Page Table Walker
PTW	Primary Translation Word
PTX	Parallel Thread eXecution
PTX	Private Trading eXchange
PUA	Pick Up Artist
PUA	Potentially Unwanted App
PUA	Private Use Area
PUC	Peripheral Unit Controller
PUC	Public Utilities Commission
PUD	Planned Unit Development
PUE	Power Usage Effectiveness
PUF	Parallel URL Fetcher
PUF	Physical Unclonable Functions
PUF	Power Up Function
PUG	Pick Up Group
PUG	PostgreSQL User Group
PUI	Projection Unlimited, Inc.
PUK	Personal Unblocking Key
PUL	Periodic Update List
PUL	Provisions for Unrecovered Losses
PUN	Physical Unit Number
PUP	Palmer United Party
PUP	PARC Universal Packet [Protocol]
PUP	Planet Under Pressure
PUP	Potentially Unwanted Program
PUP	Product Upgrade Package
PUP	Program Update Plan
PUR	Project Updates and Roadmap
PUS	Permanent Under Secretary
PUT	Power-Up Test
PUT	Predicted Useless Table
PVA	Personal Voice Assistant
PVA	Private Virtual Appliance
PVA	Product Verification Audit
PVC	Permanent Virtual Circuit
PVC	Persistent Volume Claim
PVC	Personal Voice Control
PVC	PerVasive Computing
PVC	PolyVinyl Chloride
PVC	Premature Ventricular Contraction
PVD	Physical Vapor Deposition
PVD	Plan View Display
PVE	Player Versus Environment
PVE	Project Veritas Experience
PVG	Primary VanGuard
PVI	ParaVisual Indicator
PVI	Pilot Vehicle Interface
PVL	Programmer's Virtual Library
PVM	Parallel Virtual Machine
PVM	Paul Versus Muhammad
PVN	Private Virtual Network
PVO	Pioneer Venus Orbiter
PVO	Private Voluntary Organization
PVP	Packet Video Protocol
PVP	Permanent Virtual Path
PVP	PharmacoVigilance Plan
PVP	Player Versus Player
PVR	Personal Video Recorder
PVR	Processor Version Register
PVS	Persistent Vegetative State
PVT	PolyVinyl Toluene
PVT	Position, Velocity, Time
PVT	Product Verification Test
PVU	Position Velocity Update
PWA	People With AIDS
PWA	Printed Wiring Assembly
PWA	Progressive Web App
PWB	Printed Wiring Board
PWB	Programmer's WorkBench
PWC	Price Waterhouse Coopers
PWC	Programming With Contracts
PWD	People With Disabilities
PWD	Print Working Directory
PWD	Procurement Work Directive
PWD	Public Works Department
PWG	Permanent Working Group
PWG	Pilots Working Group
PWG	Propulsion Working Group
PWG	[IEEE] Printer Working Group
PWI	Preliminary Warning Instruction
PWI	Process Work Instruction
PWM	Passive Warming Model
PWM	Pulse Width Modulated
PWN	PostgreSQL Weekly News
PWO	Public Warehouse Organisation
PWP	Particles per Wafer Pass
PWR	Pressurized Water Reactor
PWS	Products World Safety
PWS	[Microsoft] Personal Web Server
PWV	PassWord Vault
PXC	Percona XtraDB Cluster
PXE	Pre-boot eXecution Environment
PXE	Product, eXperience, and Engineering
PXL	Patrol, eXperimental, Land-BASED
PYC	Post Your Code
PYS	Power of Young Spirit
PYT	Pretty Young Thing