The draw for the group stage pairings took place on 15 July 2021.

[1] The championship ran from 30 July to 19 September 2021.

Kilmoyley entered the championship as the defending champions.

[3] Cian Hussey was the championship's top scorer with 1-48.

Promoted from the Kerry Intermediate Hurling Championship Advance to knockout stage Advance to knockout stage Advance to knockout stage