The 2003–04 All-Ireland Senior Club Football Championship was the 34th staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71.

Nemo Rangers were the defending champions, however, failed to qualify after being beaten by Na Piarsaigh in the third round of the 2003 Cork County Championship.

[1] On 17 March 2004, Caltra won the championship following a 0–13 to 0–12 defeat of An Ghaeltcaht in the All-Ireland final at Croke Park.

Caltra's Michael Meehan was the championship's top scorer with 4–19.

The Waterford club champions did not contest the Munster Club Championship due to a delay in the completion of the Waterford County Championship.