FMSO
| 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) |