| Acronym | Definition |
|---|
| FFSL➣Floodgap Free Software License |
| FFSL➣Football Federation of Sri Lanka |
| FFSL➣Fédération Française des Syndicats de Libraires (French: French Federation of Bookseller Trade Unions) |
| FFSL➣Fédération Française des Salons du Livre (French: French Federation of Book Fairs) |