| Acronym | Meaning |
| LCCP | Light Contingency Communications Package |
| LLLTV | Low-Light Level Television |
| LT | Lesotho (FIPS 10-4 Country Code) - Lithuania (ISO 3166 Digram) |
| UTM | Universal Transverse Mercator (geographical Co-ordinate System) |
| PAN | Panama (ISO 3166 Trigram) -Personal Area Network -PolyAcryloNitrile |
| CDM | Clean Development Mechanism (Kyoto Protocol) - Cold Dark Matter (astronomy) |
| NMCI | Navy Marine Corps Intranet |
| SB | Antimony (Latin Stibium) |
| OOCL | Orient Overseas Container Line |
| QU | Quechua Language (ISO 639-1 Code) |