A fin is a thin appendage.

Fin, FIN, or Fins may also refer to:

Biology

• Fish fin, an anatomical feature

• Fin fish, fish that possess fins

• Fin whale (Balaenoptera physalus)

Film

• Fin (2021 film), an American documentary

• Fin (2023 film), a Filipino mystery drama

• Fin (French equivalent of "The End"), text placed at the end of a film

People

• Fín (died 604), Gaelic princess, wife of Oswiu of Northumbria

• Fin Bartels (born 1987), German football midfielder

• Fin Boothroyd (born 1999), Canadian field hockey player

• Fin Donnelly (born 1966), Canadian politician

• Fin DAC, Irish street artist

• Fin Dow-Smith, (born 1988), British songwriter

• Fin Leavell, American musician

• Finlay Tarling (born 2006), Welsh cyclist

• Fin Taylor, (born 1990), English stand-up comedian

• Fin Wilson (1888–1959), American professional baseball pitcher

• Henri Fin (born 1950), French cyclist

Fictional and mythical characters

• Fin (character), two Marvel Comics characters

• Fin (troll), in Danish legend

• Fin the Whale, the mascot of the Vancouver Canucks

• Fin Tutuola, on the TV drama Law & Order: Special Victims Unit

Places

Iran

• Fin, Iran, a city

• Fin District

• Fin Garden, Kashan

• Fin Rural District

Elsewhere

• Fins, Somme, France

• Fin Island, Canada

Music

• Fin (band), an English indie rock band

• Fin (John Talabot album), 2012

• Fin (Syd album), 2017

• "Fin", a 2006 song by Supergrass from the album Road to Rouen

• "Fin" (song), a 1986 song by Akina Nakamori

• "Fin", a song by Christie Front Drive from Christie Front Drive, 1997

• "Fin", a song by Nebula from the 2003 album Atomic Ritual

• "Fins" (song), a 1979 song by American singer Jimmy Buffett

• "(*Fin)", a song by Anberlin from their 2007 album Cities

Sport

• Federazione Italiana Nuoto, the Italian Swimming Federation

• Miami Dolphins, an American football team

• Surfboard fin, a hydrofoil on a surfboard's tail

Codes and identification numbers

• Finland, ISO 3166-1 alpha-3:FIN

• Finnish language, ISO 639-2:fin

• Finnair, a Finnish airline, ICAO code: FIN

• Facility ID number, in US broadcasting

• Family identification number, for asteroids

• Force identification number, in UK policing

Other uses

• Fin, a slang term for the United States five-dollar bill

• Fin (company), formerly Intercom, an American software company

• Fin (extended surface), on a radiator

• Fin (geology), a narrow, residual wall of hard sedimentary rock

• Fin (submarine), a tower atop a submarine

• Internationalist League of Norway (), a socialist group

See also

• Swimfin, a fin-like shoe

• Tail fin (disambiguation)

• Finn (disambiguation)