FOSL
| Acronym | Definition |
|---|---|
| FOSL | Finding Of Suitability (for) Leasing |
| FOSL | Foundation of Sustainable Living |
| FOSL | Friends of Seaford Library (Seaford, East Sussex, UK) |
| FOSL | Friends of the School Library |
| FOSL | Foundations of Service-Learning |
| FOSL | Fibre Optic Solutions Ltd. (UK) |
| FOSL | Falling Off Seat Laughing |