Garryowen may refer to:
- Garryowen, Limerick, Ireland, a suburb of the Irish city
- Garryowen Football Club, a Limerick rugby union club
- Garryowen (rugby) or "up and under" or "bomb", a rugby union tactical kicking ploy
- Garryowen Football Club, a Limerick rugby union club
- Garryowen, Iowa, United States
- Garryowen, Montana, United States
- "Garryowen" (air), an Irish jig tune
- Garryowen (film), a 1920 British film
- Garry Owen or the U.S. 7th Cavalry Regiment
- Edmund Finn or Garryowen (1819–1898), Irish-Australian writer
- Garryowen, New South Wales, small settlement on Little Billabong Creek
- Garry Owen (actor) (1902–1951), American actor
- Garryowen Equestrienne Turnout, the major equestrienne competition of Australia held at the Royal Melbourne Show