1975 Offaly Senior Hurling Championship

The 1975 Offaly Senior Hurling Championship was the 78th staging of the Offaly [Senior Hurling Championship] since its establishment by the Offaly County Board in 1896 [Offaly Senior Hurling Championship|1896].
St Rynagh's entered the championship as the defending champions.
The final, a replay, was played on 26 October 1975 at St Brendan's Park in Birr, between St Rynagh's and Birr, in what was their second consecutive meeting in the [|final]. St Rynagh's won the match by 0–14 to 0–08 to claim their ninth championship title overall and a record-equalling fourth championship title in succession.