2002–03 Harty Cup

The 2002–03 Harty Cup was the 83rd staging of the Harty Cup since its establishment by the Munster Council of Gaelic Athletic Association in 1918. The competition ran from 25 September 2002 to 30 March 2003.

St Colman's College were the defending champions. A new format was used with the introduction of a group stage.

The Harty Cup final was played on 30 March 2003 at Páirc Caoimhín Ó Luing in Feenagh, between St Colman's College and St Flannan's College, in what was their seventh meeting in the final and a first meeting in two years. St Colman's College won the match, a replay, by 2–13 to 0–08 to claim their ninth Harty Cup title overall and a third title in succession.

St Colman's College's Andrew O'Shaughnessy was the top scorer with 12–15.