St Brendan's Park (Irish: Páirc Naoimh Breandáin), known for sponsorship reasons as Grant Heating St. Brendan's Park,[2] is a GAA stadium in Birr, County Offaly, Ireland.

Prior to the development of O'Connor Park in Tullamore, the ground was the base of Offaly hurling and played host to intercounty competitions and to the Offaly hurling county final.

[4] Saint Brendan's Park is the home ground of the town’s GAA club.

[5] The site was also the venue of the 1971 All-Ireland Senior Hurling Championship semi-final between Tipperary and Galway.

15,022 crammed into the venue to watch Tipperary see off Galway in a high scoring match.