| Holy Cross Abbey | |
|---|---|
Mainistir na Croise Naofa | |
 Holy Cross Abbey on the River Suir | |
  Holy Cross Abbey Location within Ireland | |
| 52°38′21″N 07°52′05″W / 52.63917°N 7.86806°W | |
| Location | Holycross, County Tipperary, Ireland |
| Denomination | Roman Catholic |
| Religious institute | Cistercians |
| Website | holycrossabbey |
| History | |
| Status | Active as parochial church |
| Founded | 1169 |
| Founder(s) | Domnall Mór Ua Briain |
| Architecture | |
| Heritage designation | National Monument |
| Style | Cistercian |
| Administration | |
| Diocese | Roman Catholic Archdiocese of Cashel and Emly |
Holy Cross Abbey (Mainistir na Croise Naofa) was a Cistercian monastery in Holycross near Thurles, County Tipperary, Ireland, situated on the River Suir. It takes its name from a relic of the True Cross or Holy Rood.