The 2002–03 All-Ireland Senior Club Football Championship was the 33rd staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71.

The championship began on 27 October 2002 and ended on 17 March 2003.

[1][2] On 17 March 2003, Nemo Rangers won the championship following a 0–14 to 1–09 defeat of Crossmolina Deel Rovers in the All-Ireland final at Croke Park.

[4] Nemo's Colin Corkery was the championship's top scorer with 2-23.

The Donegal club champions did not contest the Ulster Club Championship due to a series of disputes and a delay in the completion of the Donegal County Championship.