K-League
- Country: Korea
- Type: Sports
- Website: www.kleague.com
- Update: 05-02
The Korea Professional Football League (K리그, K League, K-League) is a professional soccer league in South Korea, founded in 1983 and divided into two divisions, the Korea Professional Football Classic League (Classic K-League) and the Korea Professional Football Challenge League, since 2013. Seongnam Ilhwa Cheonma are the most successful clubs in the history of the K-League, winning the title a total of seven times.