1945 Offaly Senior Hurling Championship

The 1945 Offaly Senior Hurling Championship was the 48th staging of the Offaly [Senior Hurling Championship] since its establishment by the Offaly County Board in 1896 [Offaly Senior Hurling Championship|1896].
Birr entered the championship as the defending champions.
The final was played on 9 September 1945 at St Brendan's Park in Birr, between Coolderry and Tullamore, in what was their sixth meeting in the [|final] overall. Coolderry won the match by 4–05 to 2–03 to claim their 16th championship title overall and a first championship title in three years.