South-East Under 21A Football Championship

The South East Cork Under-21 A Football Championship is an annual Gaelic football competition organised by the Carrigdhoun Board of the Gaelic Athletic Association since 1967 for Under-21 Gaelic football teams in the southeastern region of County Cork, Ireland.

The title has been won at least once by 7 different clubs. The all-time record-holders are Valley Rovers, who have won a total of 20 titles.

Carrigaline are the title-holders after defeating Valley Rovers by 3-09 to 1-09 in the 2023 championship final.