Killaloe may refer to:
Australia
- Killaloe, Queensland, a rural locality in the Shire of Douglas
Canada
Ireland
- Killaloe, County Clare
- Killaloe (parish)
- Killaloe, County Clare (Civil parish)
- Diocese of Killaloe, County Clare
- Roman Catholic Diocese of Killaloe, County Clare
- Killaloe March, Regimental music of the Royal Irish Regiment