The 2021 All-Ireland Under-20 Football Championship was the fourth staging of the All-Ireland Under-20 Championship and the 58th staging overall of a Gaelic football championship for players between the minor and senior grades. The championship began on 1 July and ended on 15 August 2021.
The final was played on 15 August 2021 at Croke Park in Dublin, between Offaly and Roscommon, in what was their first ever championship meeting. Offaly won the match by 1-14 to 1-11 to claim their second championship title overall and a first title since 1988.[3][4][5]
James Fitzpatrick 2-2, Daire Cregg 0-4 (0-3f), Ronan Garvin and Jason Doory 1-0 each, Adam McDermott and Ben O'Carroll (0-2f) 0-3 each, Colin Walsh 0-1
Lee Deignan 0-5 (0-3f, 1 '45), Sean Carroll and Joseph Keaney 1-0 each, Oisin Flynn 0-3f, Ciaran O'Reilly, Gavin Duffy, Jack Davitt, Aaron Perry 0-1 each
E Bagnall 0-5 (0-3fs), N Aherne 1-0, M Curtin 0-1f, T Martin 0-1, D O’Donoghue 0-1, N O’Regan 0-1, P McDermott 0-1, T Gill 0-1; S Farrell 0-1, M McGovern 0-1.
David Buckley 0-10 (0-2f, 0-1m), Colin Walsh 1-3, Diarmuid Phelan and Sean McDonnell 1-0 each, Dara Dorgan 0-3 (0-2f), Conor Corbett 0-2, Jack Cahalane and Michael O'Neill (0-1f) 0-1 each
D Magill (1-2, 1f), A Gilmore (1-1), C Smyth (0-4, 2f, two 45s), T Close (0-2), S Johnston (0-2), T Smyth (0-2), E Brown (0-2), S Óg McCusker (0-1), R O’Hare (0-1f).
R O’Hare (1-0), J McGovern (0-3); T Close (0-2, 1mark); S Johnston (0-2, 1f), A Gilmore (0-2), E Brown (0-1), C Smyth (0-1, f); A Morgan (0-1), D Magill (0-1).