FSBN
| Acronym | Definition |
|---|---|
| FSBN | For Sale by Negotiation |
| FSBN | Fasteners, Screws, Bolts, Nuts |
| FSBN | file system block number |
| FSBN | Fédération des Sociétés de Bourles du Nord (French: Federation of Societies of North Bourles; North Bourles, France) |
| FSBN | Forward Support Battalion |