FSNS
| Acronym | Definition |
|---|---|
| FSNS | Fédération Sénégalaise de Natation et de Sauvetage (French: Senegalese Federation of Swimming and Rescue) |
| FSNS | Family Services North Shore (Canada) |
| FSNS | Food Safety Net Services (San Antonio, TX) |
| FSNS | Fox Sports Net South (TV network) |
| FSNS | Free Software Network Serbia |
| FSNS | Flight Simulator Nordic Squadron (gaming) |