| Acronym | Definition |
|---|
| PCM | Pulse-Code Modulation |
| PCM | Phase-Change Memory (non-volatile computer memory) |
| PCM | Punch(ed) Card Machine |
| PCM | PC Magazine |
| PCM | Personal Computer Magazine |
| PCM | Primary Care Manager |
| PCM | Powertrain Control Module |
| PCM | Phase Change Materials (intelligent textiles and fabrics) |
| PCM | Paracetamol |
| PCM | Porsche Communication Management |
| PCM | Project Cycle Management |
| PCM | Phase Contrast Microscopy |
| PCM | Per Calendar Month (accounting) |
| PCM | Pacific-Rim Conference on Multimedia |
| PCM | Presidência do Conselho de Ministros (Portugal) |
| PCM | Parallel Cache Management |
| PCM | Power Control Module |
| PCM | Please Call Me |
| PCM | Process Control Monitor |
| PCM | Presidenza del Consiglio dei Ministri (Italia) |
| PCM | Protection Circuit Module |
| PCM | Physical Connection Management (FDDI) |
| PCM | Professional Certified Marketer |
| PCM | Product Content Management (retail) |
| PCM | Payments and Cash Management |
| PCM | Plug-Compatible Manufacturer |
| PCM | Process Change Management (Sprint) |
| PCM | Pipeline Current Mapper (Radiodetection Ltd.) |
| PCM | Plug Compatible Mainframe |
| PCM | Personnel Contamination Monitor |
| PCM | Prairie-City Monroe (school district in Jasper County, Iowa) |
| PCM | Plug-Compatible Machine |
| PCM | Package Command Manager (Microsoft SMS) |
| PCM | Probability of Correct Message |
| PCM | Process Control Module |
| PCM | Party of Moldovan Communists |
| PCM | Plutonium Contaminated Material |
| PCM | Palais des Congrès de Montréal |
| PCM | Professional Construction Management |
| PCM | PacketCable Multimedia (Worldgate) |
| PCM | Power Converter Module |
| PCM | Project Control Manager |
| PCM | Precision Guided Munitions |
| PCM | Protein Caloric Malnutrition |
| PCM | Practical Christian Ministry |
| PCM | Phase-Controlled Magnetron |
| PCM | Photo Contact Master |
| PCM | Pipeline Construction Manager |
| PCM | Project Communications Management |
| PCM | Procurement Contract Management |
| PCM | Plug Compatible Module |
| PCM | Parametric Cost Model |
| PCM | Printer Cartridge Metrics |
| PCM | Process Change Method (Software Engineering Institute method) |
| PCM | Positive Control Material (nuclear weapons) |
| PCM | Pie Chart Master |
| PCM | Product Capacity Manager |
| PCM | Palisade Capital Management, LLC |
| PCM | Process Control Manual |
| PCM | Program Cost Management |
| PCM | Personal Communication Magazine (IEEE) |
| PCM | Pole Changing Motor |
| PCM | Prework Communication Meeting (United Parcel Service) |
| PCM | Pixel Correspondence Metric (automated image processing) |
| PCM | Personal Computer Module |
| PCM | Programme Centre for Modernism |
| PCM | Passive Countermeasure |
| PCM | Program Configuration Manager |
| PCM | Pending Contractual Matter |
| PCM | Parti Communiste de la Martinique (French: Martinique Communist Party) |
| PCM | Point Code Mapping |
| PCM | Principle-Centered Management |
| PCM | Proposed Contract Modification |
| PCM | Pyrotechnic Countermeasure |
| PCM | Partition Control Master (Megasys) |
| PCM | Port Controller Module (DSC) |
| PCM | Project Contribution Margin |
| PCM | Psuedo-Christian Moron |
| PCM | Precision Cassette Mechanism |
| PCM | Perfect Coverage Model |
| PCM | Pneumatic Camshaft Motor (control device) |
| PCM | Precast Cell Manufacturer |
| PCM | Program Coordination Meeting |
| PCM | Project Control Memorandum |
| PCM | Production Cost Module |
| PCM | Procurement Consultancy Manager |
| PCM | Production Control Module |
| PCM | Parish Communications Ministry |
| PCM | Protein Channel Model(ing) |
| PCM | Pancake Mafia (band) |
| PCM | Porci Con le Mount (World of Warcraft guild) |