The 2019 All-Ireland Under-20 Football Championship was the second staging of the All-Ireland Under-20 Championship and the 56th staging overall of a Gaelic football championship for players between the minor and senior grades. The competition began on 22 June 2019 and ended on 3 August 2019.
The defending champion was Kildare; however, the team was beaten by Laois in the Leinster Championship.
The All-Ireland final was played on 3 August 2019 at O'Moore Park in Portlaoise, between Cork and Dublin, in what was their first meeting in a final in 39 years. Cork won the match by 3-16 to 1-14 to claim a 12th title and a first since 2009.
Dublin's Ciarán Archer was the competition's top scorer with 9-35.