FOSB
| Acronym | Definition |
|---|---|
| FOSB | Front-Opening Shipping Box (container for wafers) |
| FOSB | Fylde Office Service Bureau (UK) |
| FOSB | Friends of St. Bartholomew (UK) |
| FOSB | Friends of St. Botolph (UK) |
| FOSB | Friends of Salmon Bay (Seattle, WA) |
| FOSB | Friends of Sauble Beach (Canada) |