List of K League champions

This article is about the champions of South Korean professional football K League.

Seongnam FC are the most successful team in terms of championship victories, having lifted the title on seven occasions.
The roll-call of champions is as follows (present-date names included where teams have changed names previously):

* Bold designates the promoted club;
‡ Won the Promotion-Relegation Playoffs;
† Lost the Promotion-Relegation Playoffs;

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