| CM | Command Module | - | Atmospheric Research Center |
| CM | Center Of Mass | - | Atmospheric Research Center |
| CM | Central Meridian | - | Atmospheric Research Center |
| CM | Command Paper | - | Chatting Acronyms |
| CM | Configuration Mixing | - | Computer Acronyms(common) |
| CM | Centimorgan | - | Medical |
| CM | Cargo Management | - | Organizations |
| CM | Center Of Mass | - | Organizations |
| CM | Centimeter | - | Organizations |
| CM | Configuration Management | - | Organizations |
| CM | Consumables Management | - | Organizations |
| CM | Control Monitor | - | Organizations |
| CM | Crew Module | - | Organizations |
| CM | Call Me | - | ISO Country Codes |
| CM | Cameroun (FIPS 10-4 Country Code; ISO 3166 Digram) -Cruise Missile -Nine Hundred (in Roman Numerals) | - | Astronomy |
| CM | Curium | - | Astronomy |
| CM | Configuration Management
| - | Human Genome |
