| Abbreviation | Definition |
|---|---|
| LCM | Life-Cycle Management |
| LCM | Logistics Chain Management |
| LCMC | Life Cycle Management Command |
| LCMCM | Low Cost Miniature Cruise Missile |
| LCMM | Life Cycle Management Model |
| LCMM | Life Cycle Materiel Manager |
| LCMS | Laser Counter Measure System |
| LCN | Load Classification Number |
| LCO | Landing Craft Air Cushion Control Officer |
| LCO | Life Cycle Objective |
| LCO | Lighterage Control Officer |
| LCOS | Lead Computing Optical Sight |
| LCP | Life Cycle Prototyping |
| LCP | Lighterage Control Point |
| LCP | Low Class Private |
| LCPL | Lance Corporal |
| LCPL | Lance Corporal - Army |
| Lcpl | Lance Corporal - USMC |
| LCPL | Landing Craft Personnel (Large) |
| LCS | land combat study |