2022 K League 2

The 2022 K League 2 was the tenth season of the K League 2, the second-tier South Korean professional football league. The champions and the winners of the promotion play-offs could be promoted to the K League 1.

Team changes
Relegated from K League 1
 * Gwangju FC

Promoted to K League 1
 * Gimcheon Sangmu

Promoted from K3 League
 * Gimpo FC

Personnel and sponsoring
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Foreign players
The maximum number of foreign players on the K League 2 is restricted to five players per team, including slots for a player from AFC and ASEAN countries status. A team could only use a maximum of four foreign players in each matchday.

Players in bold joined midway through the competition.

Promotion play-offs
The first round was contested between the fourth and fifth-placed teams, and its winners played the third-placed team in the second round. When the first and second round matches were finished as draws, their winners were decided on the regular season rankings without extra time and penalty shoot-outs.

The winners of the second round and the runners-up competed with the tenth and eleven-placed team of the K League 1, respectively, in the final round for the K League 1 spots of the next season. Each match of the final round was a two-legged tie.

Final round
Suwon Samsung Bluewings won 2–1 on aggregate and therefore both clubs remain in their respective leagues.

Daejeon Hana Citizen won 6–1 on aggregate and was promoted to K League 1, while Gimcheon Sangmu was relegated to K League 2.

Annual awards
The 2022 K League Awards was held on 24 October 2022.