| Abbreviation | Definition |
|---|---|
| CRAM | Counter Rocket Artillery, Mortar (fixed position) aka CIWS or Phalanx (on Navy ships) |
| C-RAM | Counter-Rocket Artillery, Mortar (Fixed Position) aka CIWS or Phalanx (When mounted on Navy Ships) |
| CRAMS | Customer Relationship and Asset Management System |
| CRAP | Computer Resources Acquisition Plan |
| CRARRV | Challenger Armored Repair and Recovery Vehicle |
| CRAVES | Crew Reduction and Vehicle Ergonomics |
| CRAW | Constituted Ray Art Weapon |
| CRB | Chaplain Resource Board |
| CRB | Columbus Ruby Brigade |
| CRB | Combat Readiness Badge |
| CRB | Configuration Review Board |
| CRBF | Costa Rica Battlefield Forces |
| CRC | Central Reporting Center |
| CRC | Circuit Routing Chart |
| CRC | Civil Response Corps |
| CRC | Close Range Correction |
| CRC | Coleman Research Corporation |
| CRC | Common Reference Code |
| CRC | Continental Replacement Center |
| CRC | Continental United States Replacement Center |