| Acronym | Meaning |
| FM | Federal Magistrate (Australian Post-nominal) -Federated States Of Micronesia (postal Symbol; ISO 3166 Digram; FIPS 10-4 Territory Code) -Field Manual - Flight Manager - Frequency Modulation (electronics) |
| BNS | Bank Of Nova Scotia |
| PWR | Pressurized Water Reactor |
| WACC | Weighted Average Cost Of Capital (accounting) |
| MOPP | Mission-Oriented Protective Posture |
| W3C | World Wide Web Consortium |
| SIFF | Successor IFF |
| NFI | Not F****** Interested |
| FIMPT | Fellow Of The Institute Of Maxillofacial Prosthetists And Technologists |
| LX | Luxembourg (amateur Radio ITU Prefix) - Swiss International Airlines (IATA Code) |