2005 Offaly Senior Hurling Championship

The 2005 Offaly Senior Hurling Championship was the 108th staging of the Offaly [Senior Hurling Championship] since its establishment by the Offaly County Board in 1896 [Offaly Senior Hurling Championship|1896].
Coolderry were the defending champions.
The final was played on 16 October 2005 at St Brendan's Park in Birr, between Birr and Coolderry, in what was their second consecutive meeting in the [|final]. Birr won the match by 0–20 to 0–05 to claim their 19th championship title overall and a first title in two years.