| Acronym | Definition |
|---|
| FMSO➣Foreign Military Studies Office |
| FMSO➣Fleet Material Support Office |
| FMSO➣Ranohira (airport code; Madagascar) |
| FMSO➣Foreign Military Sales Order |
| FMSO➣Fleet Materiel Support Office |
| FMSO➣Fleet Material Supply Office |
| FMSO➣Factive Mental State Operator (knowledge) |