Fenian may refer to:
Fenians: fraternal organisations dedicated to the establishment of an independent Irish Republic in the 19th and early 20th century Fenian raids: a series of skirmishes between the Fenians and British Canada Fenian Rising: an Irish rebellion against Britain in 1867, organized by a Fenian group Fenian (horse): a 19th-century American racehorse The Fenians: a California-based Celtic rock band Fenian Ram: an early submarine Fianna: warrior bands in Irish and Scottish mythology Fenian Cycle: a group of Irish myths Fenian, a slur used for Catholics in Ireland and Scotland, and sometimes specifically for supporters of Celtic F.C. Fenian (album), 2026 release by hip-hop trio Kneecap "Fenian", a song from the album
See also Fianna (disambiguation)