1990–91 All-Ireland Senior Club Football Championship
| Teams | 33 | ||
|---|---|---|---|
| Champions | Lavey (1st title) Johnny McGurk (captain) | ||
| Runners-up | Salthill–Knocknacarra Pat Comer (captain) | ||
| |||
The 1990–91 All-Ireland Senior Club Football Championship was the 21st staging of the All-Ireland Senior Club Football Championship since its establishment by the Gaelic Athletic Association in 1970-71.
Baltinglass entered the championship as the defending champions, however, they were beaten by Thomas Davis in the Leinster Club Championship.
On 17 March 1991, Lavey won the championship following a 2-09 to 0-10 defeat of Salthill–Knocknacarra in the All-Ireland final at Croke Park. It remains their only championship title.