| Abbreviation | Definition |
|---|---|
| CAC | Casualty Area Command |
| CAC | Combined Arms Center |
| CAC | Combined Arms Center (formerly Combined Arms Command) |
| CAC | Common Access Card |
| CAC | Control Analysis Center |
| CAC | Crisis Action Cell |
| CAC | Current Actions Center |
| CAC2 | Combined Arms Command and Control |
| CACB | Compliance And Control Branch |
| CACDA | Combined Arms Combat Developments Activity (obsolete term) |
| CACDS | Center for Army Conversion and Disarmament Studies |
| CACMIS | CAC Management Information System |
| CACO | Community Activities Coordination Office |
| CACOM | Civil Affairs COMmand |
| CACTIS | Computer-Automated Counter-Terrorism Intelligence System |
| CAD | Canadian Air Division |
| CAD | Cartridge Actuated Device |
| CAD | Collective Address Designator |
| CAD | Community Affairs Director |
| CAD | Condemned At Depot |