| Acronym | Definition |
|---|
| PM | Postmaster |
| PM | Postmortem |
| PM | Postmistress |
| PM | Post Meridiem (period from noon to midnight) |
| PM | Police Magistrate |
| PM | Provost Marshal |
| PM | Particulate Matter |
| PM | Past Master |
| PM | Personal Message (IRC) |
| PM | Prime Minister |
| PM | St. Pierre and Miquelon (ISO country code, top level domain name) |
| PM | Pour Memoir (French: For Memory; response to RSVP) |
| PM | Power Management |
| PM | PERL Module |
| PM | Plus Minus (hockey goals scored while player on/off ice) |
| PM | Performance Monitoring |
| PM | Precious Metals |
| PM | Performance Measurement |
| PM | Power Macintosh (Apple) |
| PM | Phillip Morris |
| PM | Perpetual Motion |
| PM | Preventive Maintenance |
| PM | Perry Meridian (High School) |
| PM | Pocket Monsters (Pokémon) |
| PM | Plasma Membrane (lipid bilayer) |
| PM | Power Monitoring |
| PM | Police Misconduct |
| PM | Performance Meeting |
| PM | Pipe Major |
| PM | Precautionary Measure |
| PM | Permanent Memory |
| PM | Powder Metallurgy |
| PM | Policia Militar |
| PM | PageMaker (Adobe software) |
| PM | Periodic Maintenance |
| PM | Premier Ministre (French: Prime Minister; various nations) |
| PM | Phase Modulation |
| PM | Phone Me |
| PM | Pharmacy Manager |
| PM | Pre-Menstrual |
| PM | Polymyositis (Immune disease causing muscle inflammation) |
| PM | Peso Mexicano (Mexican Peso) |
| PM | Picometer |
| PM | Pour Mémoire (French: for the record) |
| PM | Planar Map |
| PM | Platform Model (Object Management Group) |
| PM | Pontifex Maximus |
| PM | Power Mirror |
| PM | Pressurized Module |
| PM | Playmore Corporation (Japan) |
| PM | Photo Multiplier |
| PM | Plaza Miranda (Philippines) |
| PM | Police Militaire (French: Military Police) |
| PM | Platinum Medallion (Delta Sky Miles) |
| PM | PERL Monk |
| PM | Performance Margin |
| PM | Preço de Mercado (Portuguese: Market Price) |
| PM | Peritrophic Matrix (biology) |
| PM | Pistolet Mitrailleur (French: Machine Gun) |
| PM | Pohjoismaiden Mestaruus (Finnish: Nordic Championship) |
| PM | Petameter (10 E^15, one quadrillion meters) |
| PM | Plant Miscellaneous |
| PM | Précompte Mobilier (French) |
| PM | Pressure Multiplier |
| PM | Processable Mode |
| PM | Project Missionary |
| PM | Paul McMartney (musician) |
| PM | parallel track multiunit (US DoD) |
| PM | Peter Moosleitner's Magazin (German science magazine) |
| PM | Pronto Mezcla (Guatemala concrete dispencer business) |
| PM | Pulpomesial |
| PM | Proto-Manenguba |
| PM | Pedometrics |
| PM | Properties Master (theatre) |
| PM | Peoplemover |
| PM | Peritoneal Metastasis |
| PM | Pattern Matching |
| PM | Sisters of the Presentation of Mary (religious order) |
| PM | Philippine Marine (indigenous Marine in the Philippines) |
| PM | Property Manager |
| PM | Procurement Manager |
| PM | passage material (US DoD) |
| PM | Pulse Modulation |
| PM | Push Me |
| PM | Push Money |
| PM | Preventative Maintenance |
| PM | Pure Math |
| PM | Presentation Manager (OS/2) |
| PM | Planned Maintenance |
| PM | Planning Module |
| PM | Popular Mechanics (magazine) |
| PM | PartitionMagic (PowerQuest) |
| PM | Price Match |
| PM | Penton Media (New York, NY) |
| PM | PacMan |
| PM | Pubblico Ministero (Italian: Public Prosecutor) |
| PM | Portfolio Manager |
| PM | Prime Meridian (zero longitude) |
| PM | Preventive Medicine |
| PM | Palm Mute (guitar technique) |
| PM | Prime Meridian (magazine) |
| PM | Princess Mononoke |
| PM | Permanent Magnet |
| PM | Paymaster |
| PM | People Meter |
| PM | Performance Management |
| PM | Patternmaker (USN Rating) |
| PM | Maximum Power |
| PM | Panama |
| PM | Paramedic |
| PM | Prime Mover |
| PM | Printed Matter |
| PM | Private Message |
| PM | Problem Management |
| PM | Procedures Manual |
| PM | Process Model |
| PM | Product Manager |
| PM | Production Management |
| PM | Production Manager |
| PM | Production Meeting |
| PM | Production Model |
| PM | Program Manager |
| PM | Program Memorandum |
| PM | Program Memory |
| PM | Project Management |
| PM | Project Manager |
| PM | Project Master |
| PM | Project Memo |
| PM | Promethium |
| PM | Propulsion Module |
| PM | Principles of Medicine |
| PM | Palma de Mallorca (Spain) |
| PM | Primary Mirror (telescopes) |
| PM | Bureau of Political-Military Affairs (DoD) |
| PM | Palliative Medicine |
| PM | Pulp Mill |
| PM | Practice Management |
| PM | Personnel Manager |
| PM | Pain Management |
| PM | Pressure Meter |
| PM | Perfect Money (Internet payment system; Panama) |
| PM | Pentium M (Intel processor) |
| PM | Pons-Medulla |
| PM | Primeiro-Ministro (Portugal) |
| PM | Penalty Minutes (hockey) |
| PM | Process Management |
| PM | Purpose-Made |
| PM | Patriot Missile |
| PM | Purulent Meningitis |
| PM | Progressive Majority |
| PM | Pacemaker |
| PM | Perception Management (corporate communications) |
| PM | Protocol Machine |
| PM | Production Manifold (oil and gas drilling) |
| PM | Power Module |
| PM | Paramagnetic |
| PM | Privilege Management (IT, middleware; networking) |
| PM | Particle-Mesh |
| PM | Progressive Maintenance |
| PM | Proposed Monitor |
| PM | Psychosomatic Medicine |
| PM | Payload Module |
| PM | Per Month |
| PM | Polymer Morphology |
| PM | Paper Machine |
| PM | patient movement (US DoD) |
| PM | Paper Mario (N64 game) |
| PM | Prototyping Methodology |
| PM | Prototype Model (engineering) |
| PM | Purchase Memorandum |
| PM | Priority Mail (USPS) |
| PM | Phantom Menace (Star Wars) |
| PM | Passmonster (security software) |
| PM | Policy Manual |
| PM | Puppymill |