| Acronym | Meaning |
| LH | Lithuania (FIPS 10-4 Country Code) -Luteinising Hormone |
| MTG | Magic: The Gathering |
| FWIW | For What It's Worth |
| EFV | Expeditionary Fighting Vehicle |
| AG | Attogram |
| LSO | Lesotho (ISO 3166 Trigram) |
| UNDE | Union Of National Defence Employees (Canada) |
| QED | Quantum Electrodynamics -quid Es Demonstrata Or Quod Erat Demonstrandum (Latin |
| GN | GuaranĀ Language (ISO 639-1 Code) |
| TANJ | There Ain't No Justice (used As Expletive In The Ringworld Novels) |