The 1938 All-Ireland Minor Football Championship was the 10th staging of the All-Ireland Minor Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament for boys under the age of 18.
Cavan entered the championship as defending champions.
On 25 September 1938, Cavan won the championship following a 3-3 to 0-8 defeat of Kerry in the All-Ireland final.
This was their second All-Ireland title overall and their second in succession.
[1] Semi-Finals Final