| Acronym | Meaning |
| LJ | La Jolla - Larry Johnson - LaserJet - Library Journal - Linux Journal - LiveJournal - Ljubljana - Lord Justice Of Appeal -Sierra National Airlines (IATA Code) |
| DRT | Document Related Technologies |
| ZA | Zeptoampere |
| MGS | Mobile Gun System |
| LG | Luganda Language (ISO 639-1 Code) |
| FIFO | First In |
| ASM | Air-to-Surface Missile -American Samoa (ISO 3166 Trigram) -American Society For Metals -American Society For Microbiology |
| RKBA | Right To Keep And Bear Arms (Second Amendment To The United States Constitution) |
| MDM | Michigan Dartmouth MIT Telescope Consortium |
| UNMIK | United Nations Interim Administration Mission In Kosovo |