| Acronym | Definition |
|---|
| FFN | Fédération Française de Natation (French: French Swimming Federation) |
| FFN | Fanfiction.net (fan fiction archive) |
| FFN | Fetal Fibronectin |
| FFN | Fonds Forestier National (French: National Forest Fund) |
| FFN | Fédération Francaise de Naturisme |
| FFN | Font Family Name (data structure) |
| FFN | Friend for Now |
| FFN | Fédération Française de Neurologie (French: French Federation of Neurology) |
| FFN | Full Frontal Nudity (movie reference) |
| FFN | Finished for Now |
| FFN | Fondation Franco-Norvégienne (French: Franco-Norwegian Foundation) |
| FFN | Family, Friend, Neighbor (National Institute on Media and the Family; Minneapolis, MN) |
| FFN | Friend Finder Network |
| FFN | Fleet Flash Net |
| FFN | Family Financial Network |
| FFN | Film Festival Network (cable TV) |
| FFN | Fibrofatty Nodule |
| FFN | Filmforce.net |
| FFN | Future Force Network |