The 2022 K3 League is the third season of the K3 League as a semi-professional league and the third tier of South Korean football league system. The regular season is from 26 February to 29 October 2022. Gimpo FC, the defending champions, is unable to defend their title, as they have been promoted to the 2022 K League 2. Cheonan City FC and Cheongju FC applied to be a member of the K League 2 from 2023.