2023 K League 1

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Ulsan Hyundai
Longest unbeaten run9 matches
Gwangju FC
Pohang Steelers
Longest winless run15 matches
Gangwon FC
Longest losing run5 matches
Suwon Samsung Bluewings
Highest attendance45,007
Seoul 3–0 Daegu
(8 April 2023)
2022

The 2023 K League 1, also known as the

Ulsan Hyundai successfully defended their title.[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.

Teams

Team changes

Gwangju FC and Daejeon Hana Citizen (both promoted after absences of one and seven years, respectively) were promoted from the 2022 K League 2. Gimcheon Sangmu and Seongnam FC (both relegated after one and four years in the top flight, respectively) were relegated to 2023 K League 2.

Increase Promoted from K League 2 Decrease Relegated to K League 2

Locations

Jeju
Locations of the 2023 K League 1 teams