| Acronym | Definition |
|---|
| FNW➣First North Western (1997-2004; England, UK) |
| FNW➣Far North Wrestling (Pittsburgh, PA) |
| FNW➣Falcon Northwest (computer manufacturer) |
| FNW➣Fédération des Nationalistes Wallons (French: Federation of Nationalist Walloons; Belgium) |
| FNW➣Femoral Neck Width |
| FNW➣Frisco Neighborhood Watch (Frisco, TX) |
| FNW➣Future of Nuclear Weapons |