| All-Ireland Champions | |
|---|---|
| Winning team | Dublin (1st win) |
| Provincial Champions | |
| Munster | Cork |
| Leinster | Dublin |
| Ulster | Cavan |
| Championship statistics | |
|
← 1890
1892 →
|
|
The 1891 All-Ireland Senior Football Championship was the fifth staging of Ireland's premier Gaelic football knock-out competition. Dublin were the champions.
From 1887 until 1891 the club champions represented the whole county.
There were no entrants from Connacht.
Game was replayed due to an objection.