| 2001 O'Byrne Cup | |
| Province: | Leinster |
| Year: | 2001 |
| Trophy: | O'Byrne Cup |
| Winners: | Meath |
| Manager: | Seán Boylan |
| Captain: | Trevor Giles |
| Runnersup: | Westmeath |
| Runnerupcaptain: | Ger Heavin |
| Runnerupmanager: | Luke Dempsey |
| Ordinal: | 6 |
| Previous: | 2000 |
| Next: | 2002 |
The 2001 O'Byrne Cup was a Gaelic football competition played by the county teams of Leinster GAA.
The tournament was a straight knockout, with 10 teams. Kildare and Kilkenny did not compete.[1]
Meath were the winners, defeating Westmeath in the final at Cusack Park, Mullingar.[2]