The Duhallow Junior A Hurling Championship (known for sponsorship reasons as the Kanturk Co-Op Mart Junior A Hurling Championship) is an annual hurling competition organised by the Duhallow Board of the Gaelic Athletic Association since 1933 for junior hurling teams in the Barony of Duhallow in County Cork, Ireland.

The series of games are played during the summer and autumn months.

The teams are ranked in the group stage table by points gained, then scoring difference and then their head-to-head record.

The top two teams in each group qualify for the knockout stage.

The 8 teams that contested the 2024 Duhallow Junior A Hurling Championship were:[1] Legend For each year, the number of teams in the championship (in brackets) are shown.