The 2004 Croke Cup was the 53rd staging of the Croke Cup since its establishment by the Gaelic Athletic Association in 1944. The competition ran from 4 April to 3 May 2004.
St Kieran's College were the defending champions.
The final was played on 3 May 2004 at Parnell Park in Dublin, between St Kieran's College and St Raphael's College, in what was their first ever meeting in the final. St Kieran's College won the match by 3–20 to 1–06 to claim their 16th Croke Cup title overall and a second successive title.
Richie Power was the top scorer with 1–17.
Qualification
Results
Semi-final
Final
Statistics
Top scorers
Overall
Miscellaneous
John Walsh of Laois became the first non-Kilkenny man since Lar Dunphy in 1948 to captain St Kieran's College to the All-Ireland title.