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), a French political party
- Front National (French Resistance), a World War II French Resistance group
- Front National (Belgium), a Belgian political party
- Fuerza Nueva, the name of a former succession of political parties in Spain
- Forza Nuova, an 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