The 2024 All-Ireland Minor Football Championship Tier 3 was the inaugural staging of the All-Ireland Minor Football Championship Tier 3 since its establishment by the Gaelic Athletic Association. The championship ran from 18 May to 8 June 2024.
The All-Ireland final was played on 8 June 2024 at Kingspan Breffni in Cavan, between Down and Westmeath, in what was their first ever championship meeting. Down won the match by 4-13 to 2-17 to claim their first ever All-Ireland MFC Tier 3 title.