| Abbreviation | Definition |
|---|---|
| CICS | Customer Information Control System |
| CICV | Combined Intelligence Center, Vietnam |
| CICWO | Combat Information Center Watch Officer |
| CICWS | Combat Information Center Watch Supervisor |
| CID | Combat IDentification |
| CID | Combat Intelligence Division |
| CID | Commander's Intelligent Display |
| CID | Commercial Item Description |
| CID | Committee of Imperial Defence |
| CID | Counter Intelligence Division |
| CID | Criminal Investigation Division |
| CIDB | Common Intelligence DataBase |
| CIDC | Criminal Investigation Command |
| CIDC | Criminal Investigation Division Command |
| CIDG | Civilian Irregular Defense Group |
| CIDNE | Combined Information Data Network Exchange |
| CIDS | Collateral Information Display Station |
| CIDS | Combat Identification for the Dismounted Soldier |
| CIDS | Combat Information Demonstration System |
| CIE | Clothing and Individual Equipment |