FSMI
| Acronym | Definition |
|---|---|
| FSMI | Free Software Movement of India |
| FSMI | Fédération des Sociétés Musicales de l'Indre (French musical association) |
| FSMI | Federal Supplementary Medical Insurance |
| FSMI | Filiorum S Mariae Immaculatae (religious order; Sons of Mary of the Immaculate Conception) |
| FSMI | Fire Safety Maintenance Inspection (program; Canada) |