The 2004–05 All-Ireland Senior Club Football Championship was the 35th staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71. The championship began on 23 October 2004 and ended on 17 March 2004. Caltra were the defending champions, however, they failed to qualify after being beaten by Salthill-Knocknacarra in the quarter-final of the 2004 Galway County Championship. Oisín McConville of Crossmaglen Rangers was the championship's top scorer with 3-20.