| Acronym | Meaning |
| ESA | Electro-Spark Alloying - Endangered Species Act - European Space Agency |
| MF | Mayotte (FIPS 10-4 Territory Code) - Megafarad |
| FRAGO | Fragmentary Order (military) |
| LAK | Laotian Kip (ISO 4217 Currency Code) |
| ICF | Intelligent Community Forum |
| IMPACT | International Medical Products Anti-Counterfeiting Taskforce |
| LEP | Large Electron-Positron Collider |
| NOR | Norway (ISO 3166 Trigram) |
| DNM | Defence Nuclear Material |
| USS | United States Ship (sometimes Meaningless; See Star Trek) |