| 2006 O'Byrne Cup | |
| Trophy: | O'Byrne Cup |
| Province: | Leinster |
| Year: | 2006 |
| Manager: | Eamonn Barry |
| Captain: | Nigel Crawford |
| Winners: | Meath |
| Runnersup: | Offaly |
| Runnerupmanager: | Kevin Kilmurray |
| Ordinal: | 8 |
| Next: | 2007 |
| Previous: | 2005 |
The 2006 O'Byrne Cup was a Gaelic football competition played by the teams of Leinster GAA. The competition differs from the Leinster Senior Football Championship as it also features further education colleges.[1]
Won by Longford, who defeated Wicklow in the final.[2]