Look up Fenian in Wiktionary, the free dictionary.
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.