2002–03 All-Ireland Senior Club Football Championship
| Dates | 27 October 2002 – 17 March 2003 | ||
|---|---|---|---|
| Teams | 32 | ||
| Sponsor | Allied Irish Bank | ||
| Champions | Nemo Rangers (1st title) Colin Corkery (captain) Billy Morgan (manager) | ||
| Runners-up | Crossmolina Deel Rovers James Nallen (captain) John Maughan (manager) | ||
| Tournament statistics | |||
| Matches played | 34 | ||
| Goals scored | 56 (1.65 per match) | ||
| Points scored | 614 (18.06 per match) | ||
| Top scorer(s) | Colin Corkery (2–23) | ||
| |||
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 competition began on 27 October 2002 and concluded on 17 March 2003.
The defending champion was Ballinderry; however, the club lost to Errigal Ciarán in the Ulster Club SFC semi-final.
Nemo Rangers defeated Crossmolina Deel Rovers by 0–14 to 1–9 in the final at Croke Park on 17 March 2003 to win the competition. It was the club's seventh title and a first since 1994.
Nemo's Colin Corkery was the competition's top scorer, finishing with 2–23.