1990–91 All-Ireland Senior Club Football Championship

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.

Munster Senior Club Football Championship
First round

Semi-finals

Final

All-Ireland Senior Club Football Championship
Quarter-final

Semi-finals

Final

Miscellaneous

 * Salthill-Knocknacarra won the Connacht Club Championship title for the first time in their history.
 * Thomas Davis won the Leinster Club Championship for the first time in their history.
 * Lavey won the Ulster Club Championship for the first time in their history.