| 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) |
| NAVSAT | Navigation Satellite |
| GZ | Gaza Strip (FIPS 10-4 Territory Code) -Ground Zero |
| GIP | Gibraltar Pound (ISO 4217 Currency Code) |
| YS | Yottasecond |
| MITS | See Entry |
| GLC | Gas-liquid Chromatography |
| XMSF | EXtensible Modelling And Simulation Framework |
| BDI | Burundi (ISO 3166 Trigram) |
| DCAS | Devon And Cornwall Archery Society |