| Abbreviation | Definition |
|---|---|
| CLR | Combat Logistics Regiment |
| CLRP | Command Logistics Review Program |
| CLRS | Central Launch and Recovery Section |
| CLRSTA | CLeaRing STAtion |
| CLS | Combat Life Saver |
| CLS | Contracted Logistic Support |
| CLS | Contractor Logistics Support |
| CLSS | Combat Logistic Support Squadron |
| CLSSA | Cooperative Logistics Supply Support Arrangements |
| CLT | Cellular Logistics Team |
| CLT | Civil Liaison Team |
| CLT | Combat Lasing Team |
| CLT | Container Load Trailer |
| CLTD | Civilian Leadership Training Division |
| CLTG | Center Level Transaction Group |
| CLV | Constant Linear Velocity |
| CLWS | Compact Laser Weapons System |
| CLZ | Craft Landing Zone |
| CLZ | Craft Landing Zone (landing craft) |
| CLZ | Cushion Landing Zone (US DoD) |