Garryowen may refer to:
- Garryowen, Limerick, Ireland
- Garryowen Football Club, a Limerick rugby union club
- Garryowen (rugby) or up and under, a rugby union tactic
- Garryowen Football Club, a Limerick rugby union club
- Garryowen, Montana, United States
- "Garryowen" (air), an Irish quickstep tune
- Garryowen (film), a 1920 British film
- Garry Owen or the U.S. 7th Cavalry Regiment
- Edmund Finn or Garryowen (1819–98), Irish-Australian writer