FN

FN has several meanings:

* Function key, on some computer keyboards
* fn key, found on some compact keyboards
* Footnote, in informational literature
* Fabrique Nationale de Herstal, a Belgian arms factory
* Finding Nemo, a Pixar film.
* Fright Night, a 1985 horror film

* Frazer Nash, a British car company
* Frazer Nash, in aircraft gun turrets originally designed by Frazer Nash but built by Nash & Thomson
* Fireman, U.S. Navy enlisted rating (rank)

See also

* Front National, the name of various parties and movements in France and Belgium
* United Nations "Forente Nasjoner" in Norwegian. "Forenede Nationer" in Danish. "Förenta Nationerna" in Swedish.
* Regional Air Lines IATA airline designator
* Futanari Hermaphroditic hentai.