The K4 League is the fourth tier of the

South Korean football league system The South Korean football league system contains two professional leagues, two semi-professional leagues, and various amateur leagues for Korean football clubs. The highest level of football in South Korea is the K League 1, which was founded in 1 ...

. After 2019, the semi-professional

Korea National League The Korea National League was a South Korean semi-professional football league held annually from 2003 to 2019. It was considered the second-highest division of the South Korean football league system before the K League 2 was launched in 2013 ...

and the former amateur K3 League were rebranded into the current

K3 League The K3 League is the third tier of South Korean football league system, which was created from the rebranding of the Korea National League (2003–2019) and the former K3 League (2007–2019) into K3 League and K4 League in 2020. 16 teams are ...

and K4 League.

Competition format

The promotion and relegation system exists between the

and the K4 League, both being semi-professional leagues. However, since the 2021 season, teams from professional leagues

K League 1 The K League 1 (Hangul: K리그1) is the men's top professional football division of the South Korean football league system. The league is contested by twelve clubs. History The South Korean professional football league was founded in 1 ...

and

K League 2 The K League 2 (Hangul: K리그2) is the men's second-highest division of the South Korean football league system. It is contested between thirteen professional clubs, and operates on a system of promotion and relegation with the K League 1. Hi ...

were allowed to create reserve teams set to play in the K4 League, in order to give academy players and/or other registered players more game time.

Current clubs

Former clubs

The list does not include promoted or relegated clubs.

Champions

Titles by season

Titles by club

References

External links

K4 League official website
at KFA {{Football in South Korea K4 League 2020 establishments in South Korea 4 Sports leagues established in 2020 Fourth level football leagues in Asia Professional sports leagues in South Korea