| PCM | Phase Contrast Microscopy | - | Computer Acronyms(common) |
| PCM | Phase-change Material (in Heat Storage) | - | Computer Acronyms(common) |
| PCM | Phase-change Medium | - | Computer Acronyms(common) |
| PCM | Polarizable Continuum Model | - | Computer Acronyms(common) |
| PCM | Pulse Code Modulation | - | Human Genome |
| PCM | Power Control Mission | - | Organizations |
| PCM | Pulse Code Modulation | - | Organizations |
| PCM | Pulse Code Modulation | - | Organizations |
| PCM | Pulse Code Modulator | - | Organizations |
| PCM | Punch Card Machine | - | Organizations |
| PCM | E Pulse-Code Modulation Event | - | Organizations |
| PCM | Please Call Me | - | ISO Country Codes |
| PCM | Parallel Climate Model | - | Business and Finance |
| PCM | Pulse Code Modulation | - | Business and Finance |
| PCM | Punched Card Machine | - | Business and Finance |