The 2023 Offaly Senior Hurling Championship was the 126th staging of the Offaly Senior Hurling Championship since its establishment by the Offaly County Board in 1896. The draw for the group stage placings was made on 20 March 2023. The championship ran from 7 July to 15 October 2023.
Shinrone entered the championship as the defending champions.
The final was played on 15 October 2023 at Grant Heating St Brendan's Park in Birr, between KilcormacâÂÂKilloughey and Shinrone, in what was their second consecutive meeting in the final. KilcormacâÂÂKilloughey won the match by 3âÂÂ26 to 3âÂÂ08 to claim their fifth championship title overall and a first title in six years.
Ballinamere's Brian Duignan was the championship's top scorer with 1-38.
Promoted from the Offaly Senior B Hurling Championship
Relegated to the Offaly Senior B Hurling Championship