2023 All-Ireland Under-20 Football Championship

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 championship ran from 21 March to 13 May 2023.

Tyrone entered the championship as the defending champions, however, they were 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 1–17 to 0–12 to claim their third All-Ireland title overall and a first title in five years.

Sligo's Luke Marren was the championship's top scorer with 0–31. Kildare's James McGrath was named U20 Footballer of the Year.

Top scorers

 * Top scorers overall


 * In a single game

Miscellaneous

 * Sligo retained the Connacht Championship for the first time in their history.