The 1931 All-Ireland Senior Hurling Championship was the 45th staging of the All-Ireland hurling championship since its establishment by the Gaelic Athletic Association in 1887. The championship began on 10 May 1931 and ended on 1 November 1931. Tipperary were the defending champions, however, they were defeated in the provincial series of games. Cork won the title following a 5-8 to 3-4 victory over Kilkenny in a second replay of the final.