The 2023 All-Ireland Under-20 Football Championship was the fifth staging of the All-Ireland Under-20 Championship and the 60th staging overall of a Gaelic football championship for players between the minor and senior grades. The competition ran from 21 March to 13 May 2023.
The defending champion was Tyrone; however, the team was beaten by Down in the Ulster quarter-final.
The All-Ireland final was played at Kingspan Breffni Park in Cavan on 13 May 2023 between Kildare and Sligo, in what was their first ever championship meeting. Kildare won the match by 1âÂÂ17 to 0âÂÂ12 to claim a third All-Ireland title overall and a first title in five years.
Sligo's Luke Marren was the competition's top scorer with 0âÂÂ31. Kildare's James McGrath was named U20 Footballer of the Year.