The 2003 Croke Cup was the 52nd staging of the Croke Cup since its establishment by the Gaelic Athletic Association in 1944. The competition ran from 6 April to 26 April 2003.
St Colman's College were the defending champions.
The final was played on 26 April 2003 at Clonmel Sportsground, between St Kieran's College and St Colman's College, in what was their sixth meeting in the final overall and a second successive meeting. St Kieran's College won the match by 1âÂÂ15 to 1âÂÂ04 to claim their 15th Croke Cup title overall and a first title in three years.
James "Cha" Fitzpatrick was the top scorer with 0âÂÂ10.