FN may refer to:
Arts, entertainment, and media Faking News, Indian news satire website Financial News, UK financial newspaper and news website Finding Nemo, a 2003 animated adventure comedy film by Disney and Pixar Fortnite, a game released in 2017 by Epic Games Future Nostalgia, a 2020 album by Dua Lipa
Businesses and brands FN Herstal or Fabrique Nationale de Herstal, a Belgian arms factory FN (automobile), cars produced by FN Herstal FN (motorcycle), motorcycles produced by FN Herstal Ferrovienord, an Italian transport company (Ferrovie Nord Milano Esercizio prior to 2006) Royal Air Maroc Express (IATA airline designator FN)
Organizations Front National (France) (National Front), a French Right-wing political party Front National (French Resistance) (National Front), a World War II French Resistance group Front National (Belgium) (National Front), a Belgian Far-right political party Fuerza Nueva, (New Force) the name of a former succession of political parties in Spain Futuro Nazionale (National Future) a Right-wing political party in Italy Forza Nuova, (New Force) a neo-fascist Italian political party
Other uses First Nations in Canada, the predominant indigenous peoples in Canada, south of the Arctic Circle Fn key, a key found on some compact keyboards Fibronectin, a glycoprotein involved in cell adhesion and growth Function (computer science) Fireman, an enlisted rate in the United States Navy and United States Coast Guard Footnote, in texts