The 2022–23 Dr Harty Cup was the 102nd staging of the Harty Cup since its establishment in hurling by the Munster Council of Gaelic Athletic Association in 1918.

[1] The draw for the group stage took place on 18 August 2022.

St Joseph's Secondary School unsuccessfully defended its title, suffering two defeats in the group stage and failing to qualify for the knockout stage.

[3][4] Cashel Community School won the Harty Cup final on 5 February 2023 at FBD Semple Stadium in Thurles, 0–12 to 0–11, against Thurles CBS, in what was Cashel's first ever meeting in a final and their first ever Harty Cup title.

[5][6] Midleton CBS Secondary School's Jack Leahy was the top scorer with 3-34.