| Abbreviation | Definition |
|---|---|
| CTB | Comprehensive Test Ban |
| CTB | Controlled Technology Board |
| CTBT | Comprehensive Test Ban Treaty |
| CTC | Cadet Training Centre |
| CTC | Cargo Transfer Company |
| CTC | Civilian Treatment Center |
| CTC | Combat Training Center |
| CTC | Combined Training Camp |
| CTC | Contract Target Cost |
| CTC | CounterTerrorist Center |
| CTC-IS | Combat Training Center Instrumentation System |
| CTCP | Combat Trains Command Post |
| CTD | Concept and Technology Development life cycle phase |
| CTDR | Commercial Training Device Requirement |
| CTE | Coefficient of Thermal Expansion |
| CTE | Commander Task Element |
| CTE | Culminating Training Event |
| CTEA | Cost and Training Effectiveness Analysis |
| CTEIP | Central Test and Evaluation Investment Program |
| CTEP | Combined Training and Education Plan |