| Tournament details | |
|---|---|
| Province | Leinster |
| Year | 1997 |
| Trophy | O'Byrne Cup |
| Date | 12 January — 9 March |
| Teams | 12 |
| Winners | |
| Champions | Offaly (5th win) |
| Manager | Tommy Lyons |
| Captain | Finbarr Cullen |
| Runners-up | |
| Runners-up | Wexford |
| Manager | Cyril Hughes |
| Other | |
| Matches played | 11 |
The 1997 O'Byrne Cup was a Gaelic football competition played by the county teams of Leinster GAA.
The tournament was a straight knockout, with 12 teams.
Offaly were the winners, defeating Wexford in the final at O'Connor Park.