| Term | Full Form | Category |
|---|---|---|
| FOSV | Fast Offshore Support Vessel | Others |
| FOSV | Friends of Sangamon Valley | Others |
| FOSV | Friends Of Severn Vale | Others |
| FOSV | Friends Of Sherwell Valley | Others |
| FOSV | Friends of Squaw Valley | Others |
| FOSV | Friends of Steel Valley | Others |
| FOSV | Friends of the Sangamon Valley | Others |
| FOSV | Friends of the Strawberry Valley | Others |
| FOSV | Full Open Safety Valve | Others |
| FOSV | Full Opening Safety Valve | Others |