| Abbreviation | Definition |
|---|---|
| CLH | Canadian Light Horse |
| CLI | Cadet Leader Instructor |
| CLIC | Center for Low Intensity Conflict |
| CLICK | Certified Literate Is Coweta's Key |
| CLIN | Contract Line Item Number |
| CLIP | Crew List Index Project |
| CLIPS | Communications Link Interface Planning System |
| CLM | Council of Logistics Management |
| CLMC | Combined Loyalist Military Command |
| CLOS | Command to Line-of-Sight |
| CLP | Certified Logistics Professional |
| CLP | Clean, Lubricate, Protect |
| CLP | Cleaner Lubrication Preservative |
| CLPC | Central Local Purchase Committee |
| CLPM | Command Language Program Manager |
| CLPSB | CINC Logistic Procurement Support Board |
| CLPT | Contingency Load Planning Team |
| CLR | Calcium, Lime, and Rust remover |
| CLR | Clear |
| Clr | clearing (open space) |