The Fianna are a band of heroes in Irish mythology.
Fianna or Fiana can also refer to:
Fianna Fáil, a political party in Ireland Fianna Éireann, the name of several Irish republican youth movements Na Fianna GAA, a Dublin-based Gaelic Athletic Association club Fianna, a tribe of werewolves in the White Wolf Game Studio roleplaying game Werewolf: The Apocalypse. Fiana (grape), an Italian wine grape that is also known as Fiano Na Fianna (band), an Irish band Fianna Hills, a country club and subdivision in Fort Smith, Arkansas