Wikipedia
FFN
FFN may refer to:
- FanFiction.Net, an automated fan fiction archive site
- Fast Food Nation, a book by investigative journalist Eric Schlosser
- Fédération Française de Natation (French Swimming Federation), the aquatics national federation of France
- Fetal fibronectin, a fibronectin protein produced by fetal cells
- Full frontal nudity, a state of full nudity with the subject facing forward with the whole front of the body exposed