| Championship details | |
|---|---|
| All-Ireland Champions | |
| Winning team | Cork (3rd win) |
| Captain | Timmy Dalton |
| All-Ireland Finalists | |
| Losing team | Dublin |
| Provincial Champions | |
| Munster | Cork |
| Leinster | Dublin |
| Ulster | Tyrone |
| Connacht | Mayo |
The 1980 All-Ireland Under-21 Football Championship was the 17th staging of the All-Ireland Under-21 Football Championship since its establishment by the Gaelic Athletic Association in 1964.
Down entered the championship as defending champions, however, they were defeated by Tyrone in the Ulster final.
On 12 October 1980, Cork won the championship following a 2-8 to 1-5 defeat of Dublin in the All-Ireland final. [1] This was their third All-Ireland title overall and their first in nine championship seasons.
Semi-finals
| 28 September 1980Semi-final | Dublin | 1-13 - 2-08 | Mayo | Pearse Park, Longford |
| 28 September 1980Semi-final | Cork | 3-10 - 1-05 | Tyrone | Croke Park, Dublin |
| E Fitzgerald 1-4, N O'Connor 1-1, F O'Mahony 1-0, S Hayes 0-3, T Dalton 0-1, D Barry 0-1. | P Ball 1-0, D O'Hagan 0-3, O Hetherington 0-2. | Referee: K Campbell (Meath) |
Final
| 12 October 1980Final | Cork | 2-08 - 1-05 | Dublin | MacDonagh Park, Nenagh |
| F O'Mahony 2-2, D Barry 0-3, E Fitzgerald 0-1, S Hayes 0-1, N O'Connor 0-1. | C Duff 1-0, M Loftus 0-1, J Roynane 0-1, P Boylan 0-1, B Rock 0-1, V Kearney 0-1. | Referee: W Fogarty (Kerry) |
The 2003 All-Ireland Senior Football Championship was the 117th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. The championship began on 4 May 2003 and ended on 28 September 2003.
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