| Abbreviation | Definition |
|---|---|
| CHRA-K | Civilian Human Resources Agency - Korean Region |
| CHRIS | Chemical Hazard Response Information System |
| CHRIS | Command Human Resource Intelligence System |
| CHS | civilian healthcare system |
| CHS | Command Hardware and Software |
| CHS | Common Hardware and Software |
| CHSS | Combat Health Support System |
| CHST | Construction Health and Safety Technician |
| CHSTR | CHaracteristicS of Transportation Resources |
| CHSTREP | CHaracteristicS of Transportation Resources REPort |
| CHT | Chittagong Hill Tracts, Bangladesh |
| CHT | Collection, Holding, and Transfer |
| CHU | Contained Housing Unit |
| CI | Checking In |
| CI | Civilian Internee |
| CI | Combat Identification |
| CI | Command Information |
| CI | Completion Inspection |
| CI | Configuration Item |
| CI | Connected Intelligence |