| P&M | Planetary Mission 
| Others |
| P&M | Pratt and Miller
| Others |
| P&M | Processes and Materials
| Others |
| P&M | Program Milestone
| Others |
| P&M | Pulse Modulation
| Others |
| p.m. | post meridiem - evening or afternoon
| Others |
| P/M | Payload Module
| Others |
| PM | Bureau of Political-Military Affairs (DOS)
| Others |
| PM | PaceMaker
| Others |
| PM | Pacific Meridian
| Others |
| pm | pagemaker
| Others |
| PM | Pain Management
| Others |
| PM | Pairs Master
| Others |
| PM | Palette And Masque
| Others |
| PM | Palm Mute
| Others |
| PM | Panchal Morcha
| Others |
| PM | Paper Mario
| Others |
| PM | Papillary Muscle
| Others |
| PM | Pappa Meyer
| Others |
| PM | Parabolic Metal
| Others |
| PM | Parallel Track Multiunit
| Others |
| PM | Pardon My ....
| Others |
| PM | Partial Mastectomy
| Others |
| PM | Partial Match
| Others |
| PM | Partial Meniscectomy
| Others |
| PM | Partial Mole
| Others |
| PM | Particle Measure
| Others |
| PM | Particle Multiplication
| Others |
| PM | Particular Matter
| Others |
| PM | Particulate Material
| Others |
| PM | Particulate Matter
| Others |
| PM | Party Mode
| Others |
| PM | Past Master
| Others |
| PM | Past Morning
| Others |
| PM | Pastel Metallic
| Others |
| PM | Patient Movement
| Others |
| PM | Patrick Madrid
| Others |
| PM | Pattern Match
| Others |
| PM | Pattern Matching
| Others |
| PM | Patty Mills
| Others |
| PM | Paul Mccartney
| Others |
| PM | Paul Murray
| Others |
| PM | Pay Me
| Others |
| PM | Payload Midbody
| Others |
| PM | Peacemaking
| Others |
| PM | Pectoralis Major
| Others |
| PM | Peg Material
| Others |
| PM | PEI Magazine
| Others |
| PM | Penalty Minutes
| Others |
| PM | People Motivation
| Others |
| PM | People Motivator
| Others |
| PM | Per Metre
| Others |
| PM | Perceptual and Motor
| Others |
| PM | Perceptual Motor
| Others |
| PM | Pere Marquette
| Others |
| PM | Pere Marquette Railway (CSX Transportation)
| Others |
| PM | Perfect Man
| Others |
| PM | Performance Measurement
| Others |
| PM | Performance Media
| Others |
| PM | Performance Monitoring
| Others |
| PM | Perinatal Mortality
| Others |
| PM | Periodically Missing
| Others |
| PM | Perl
| Others |
| PM | Perl Module
| Others |
| PM | Perl Monger
| Others |
| PM | Permanent Magnet
| Others |
| PM | Personal Mainframe
| Others |
| PM | Personal Media
| Others |
| PM | Personal Message
| Others |
| PM | Personal Mobility
| Others |
| PM | Personnel Management
| Others |
| PM | Pervaiz Musharraf
| Others |
| PM | Pesky Mouse
| Others |
| Pm | petameter
| Others |
| Pm | petametre
| Others |
| PM | Petit Mal
| Others |
| pm | petit mal (form of epilepsy)
| Others |
| PM | Petit Mal epilepsy
| Others |
| PM | Petty Misdemeanor
| Others |
| PM | Phase Modulation
| Others |
| PM | Philosophical Mechanics
| Others |
| PM | Philosophy Methodology
| Others |
| PM | PHP (PHP Hypertext Preprocessor) MIME (Multipurpose Internet Mail Extensions)
| Others |
| PM | Physical Machine
| Others |
| PM | Physical Memory
| Others |
| PM | Pianella Mandoline
| Others |
| pm | picometer
| Others |
| pm | Picometre
| Others |
| PM | Pig Molester
| Others |
| PM | Pikon Message
| Others |
| PM | Pinze Mobili
| Others |
| PM | Piranha Manager
| Others |
| PM | Pittsford Monroe
| Others |
| PM | Place Marker
| Others |
| PM | Planetary Mapper
| Others |
| PM | Planned Maintenance
| Others |
| PM | Planning Meeting
| Others |
| PM | Planning Module
| Others |
| PM | Plasma Membrane
| Others |
| PM | Plot Manager
| Others |
| PM | Plumbing Mechanical
| Others |
| PM | Plus And Minus
| Others |
| PM | Plus or Minus
| Others |
| PM | PM0
| Others |
| PM | PM1
| Others |
| PM | Pocket Message
| Others |
| PM | Pocket Miners
| Others |
| PM | Pocket Mirror
| Others |
| PM | Point Mix
| Others |
| PM | Point Mixes
| Others |
| PM | Point Mutation
| Others |
| PM | Polarising Microscopy
| Others |
| PM | Polic A Militar
| Others |
| PM | Police Magistrate
| Others |
| PM | Political-Military Affairs
| Others |
| PM | Pollution Minimum
| Others |
| PM | Polygonal Map
| Others |
| PM | PolyMyositis
| Others |
| PM | Poor Man
| Others |
| PM | Poor Metaboliser
| Others |
| PM | Popular Model
| Others |
| PM | Porch Monkey
| Others |
| PM | porokeratosis of Mibelli
| Others |
| PM | Portable Monitor
| Others |
| PM | Post Man
| Others |
| PM | Post Maritime
| Others |
| PM | Post Master
| Others |
| PM | Post Meridiam
| Others |
| PM | Post Meridian
| Others |
| PM | Post Meridiem
| Time |
| PM | Post Meridieum
| Others |
| PM | Post Meridium
| Others |
| PM | Post Mile
| Others |
| PM | Post Mortem
| Others |
| PM | Post-Marketing
| Others |
| PM | Post-Mortem
| Others |
| PM | Posterior Malleolus
| Others |
| PM | Posterior Maxillary
| Others |
| PM | Posterior Mesencephalon
| Others |
| PM | Posterior Mitral
| Others |
| PM | posteromedial
| Others |
| PM | postmenopausal
| Others |
| PM | Poultry Man
| Others |
| PM | Powder Maggots
| Others |
| PM | Power Mac
| Others |
| PM | Power Management
| Others |
| PM | Power Matrix
| Others |
| PM | Power Meditation
| Others |
| PM | Power Meter
| Others |
| PM | Power Method
| Others |
| PM | Powerful project management toolset for Project Manager
| Others |
| PM | Practical Mark
| Others |
| PM | Practice Management
| Others |
| PM | Practice Manager
| Others |
| PM | Pre Menstrual
| Others |
| PM | Pre Midnight
| Others |
| PM | Precious Metal
| Others |
| PM | Precious Moments
| Others |
| PM | Premeditated Murderer
| Others |
| PM | premotor
| Others |
| PM | Presentation Manager
| Others |
| PM | Presentation Manager Bitmap graphics file
| Others |
| PM | Preservation Magazine
| Others |
| PM | Preserve Manufacturer
| Others |
| PM | President's Medal
| Others |
| PM | President's Meeting
| Others |
| PM | Preventative Maintenance
| Others |
| PM | Preventive Maintenance
| Others |
| PM | Preventive Medicine
| Others |
| PM | Previous Model
| Others |
| PM | Previously Moderated
| Others |
| PM | Price Milburn
| Others |
| PM | Prime Market
| Others |
| PM | Prime Minister
| Government |
| PM | Prime Moose
| Others |
| PM | Priority Mail
| Others |
| PM | Private Mail
| Others |
| PM | Private Message
| Others |
| PM | Private Messaging
| Others |
| PM | Pro Memoria
| Others |
| Pm | proactinium
| Others |
| PM | Problem Management
| Others |
| PM | Problems Major
| Others |
| PM | Process Manager
| Others |
| PM | Processor Module
| Others |
| PM | Product Manual
| Others |
| PM | Production Management
| Others |
| PM | Production Manager
| Others |
| PM | Production Metadata
| Others |
| PM | Program Manager
| Others |
| PM | Program Module
| Others |
| PM | Progress Monitor
| Others |
| PM | Project Management
| Others |
| PM | Project Manager
| Business, Designation / Rank |
| PM | Project Mayhem
| Others |
| PM | Promethium
| Element |
| PM | Proper Motion
| Others |
| PM | Property Manager
| Others |
| PM | Property Market
| Others |
| PM | Propulsion Module
| Others |
| PM | Prospective Member
| Others |
| PM | Protected Mode
| Others |
| PM | Protein Metabolite
| Others |
| PM | Prototype Model
| Others |
| PM | Provost Marshal
| Others |
| PM | Pseudo Manifold
| Others |
| PM | Psoas Major
| Others |
| PM | Pterygoid Muscle
| Others |
| PM | Pubococcygeal Muscle
| Others |
| PM | Pulmonary Macrophage
| Others |
| PM | Pulse Modulated
| Others |
| PM | Pulver Metarlurgisch
| Others |
| PM | Purulent Meningitis
| Others |
| PM | pyloromyotomy
| Others |
| PM | St. Pierre and Miquelon
| Others |
| PM | X Window PixelMap 8-bit text Bitmap graphics
| Others |