The 2022 K League 1, also known as the Hana 1Q K League 1 for sponsorship reasons, was the 40th season of the top division of professional football in South Korea, and the tenth season of the K League 1.
After progressing 33 regular rounds as ever, the league was divided into two groups, the top six and the bottom six, and each team played five matches against other teams in its group.
Restricting the number of foreign players strictly to five per team, including a slot for a player from the Asian Football Confederation countries and a slot for a player from the Association of Southeast Asian Nations. Gimcheon Sangmu FC, being a military-owned team, is not allowed to sign any foreign players. A team could use five foreign players on the field each game, including at least one player from the AFC confederation.
North Korean player An Byong-jun was deemed as a native player in K League by South Korean law and passport.
Players in bold were registered during the mid-season transfer window.
Source: K League Legend: Blue = home team win; Yellow = draw; Red = away team win.
Relegation play-offs
The tenth-placed team and the eleventh-placed team played against the play-offs winners and the runners-up of the K League 2, respectively, in the relegation play-offs.