The K4 League is the fourth-highest division in the South Korean football league system. It is regarded as the successor to the K3 League Basic, the second division of amateur K3 League founded in 2017.
Since 2021, Korea Football Association has allowed reserve teams of the K League to join the K4 League.
Competition format
All participating clubs play home and away season in the K4 League. The promotion and relegation system exists between the K3 League and the K4 League,[1] but does not exist between the K4 League and amateur league K5 League. The champions and runners-up can be directly promoted to the K3 League, and third and fourth-placed teams qualify for the first round of the promotion playoffs.
Clubs
Current clubs
| Team | City | Stadium | Manager | First season | Current spell | Seasons[a] | Last title |
|---|---|---|---|---|---|---|---|
| Daegu FC B | Daegu | Daegu Stadium |  Seo Dong-won
|
2023 | 2025– | 2 | — |
| Dangjin Citizen | Dangjin | Dangjin Stadium | Han Sang-min
|
2021 | 2023– | 4 | — |
| Geoje Citizen | Geoje | Geoje Stadium | Song Jae-gyu
|
2021 | 2021– | 5 | — |
| Gijang United | Gijang County | Gijang World Cup Village | TBC
|
2025 | 2025– | 1 (debut) | — |
| Jinju Citizen | Jinju | Jinju Stadium | Choi Cheong-il
|
2020 | 2020– | 6 | — |
| Namyangju FC | Namyangju | Namyangju Stadium |
|
2024 | 2024– | 2 | — |
| Pyeongchang United | Pyeongchang | Pyeongchang Stadium | Ahn Hong-min
|
2021 | 2021– | 5 | — |
| Pyeongtaek Citizen | Pyeongtaek | Sosabeol Reports Town | Lee Ho-joon
|
2022 | 2022– | 4 | — |
| Sejong SA | Sejong | Sejong Central Park Soccer Field Sejong Civic Stadium |
Kim Jong-pil
|
2025 | 2025– | 1 (debut) | — |
| Seoul Jungnang | Seoul | Jungnang Public Ground | Kim Sang-hwa
|
2020 | 2020– | 6 | — |
| Yeoncheon FC | Yeoncheon | Chungju Stadium | Choi Jung-min
|
2023 | 2023– | 2 | — |
- ^ As of the start of the 2025 season.
Inactive clubs
| Team | City | Stadium | Manager | First season | Current spell | Seasons | Last title |
|---|---|---|---|---|---|---|---|
| Yangju Citizen | Yangju | Yangju Stadium | Oh Hwi-seong
|
Hiatus | — | ||
Former clubs
The following clubs are not in the K4 League as of the 2025 season.
| Club | Last season | Reason |
|---|---|---|
| Paju Citizen | 2020 | Promoted to K3 League |
| Ulsan Citizen | 2020 | |
| Pocheon Citizen | 2021 | |
| Siheung Citizen | 2021 | |
| Yangpyeong FC | 2022 | |
| Chuncheon Citizen | 2022 | |
| Yeoju FC | 2023 | |
| Jeonbuk Hyundai Motors B | 2024 | |
| Icheon Citizen | 2020 | Dissolved |
| Goyang Citizen | 2021 | |
| FC Namdong | 2022 | |
| Goyang KH | 2022 | |
| Goyang Happiness | 2023 | |
| Busan IPark Futures | 2024 | |
| Daejeon Hana Citizen B | ||
| Gangwon FC B | ||
| Jeonju Citizen | ||
| FC Sejong | ||
| Seoul Nowon United |
Champions
Champions by season
| Season | Champions | Runners-up |
|---|---|---|
| 2020 | Paju Citizen | Ulsan Citizen |
| 2021 | Pocheon Citizen | Siheung Citizen |
| 2022 | Goyang KH | Yangpyeong FC |
| 2023 | Yeoju FC | Daegu FC B |
| 2024 | Jeonbuk Hyundai Motors B | Daejeon Hana Citizen B |
Performance by club
| Club | Champions | Runners-up | Seasons won | Seasons runner-up |
|---|---|---|---|---|
| Paju Citizen | 1 | 0 | 2020 | — |
| Pocheon Citizen | 1 | 0 | 2021 | — |
| Goyang KH | 1 | 0 | 2022 | — |
| Yeoju FC | 1 | 0 | 2023 | — |
| Jeonbuk Hyundai Motors B | 1 | 0 | 2024 | — |
| Ulsan Citizen | 0 | 1 | — | 2020 |
| Siheung Citizen | 0 | 1 | — | 2021 |
| Yangpyeong FC | 0 | 1 | — | 2022 |
| Daegu FC B | 0 | 1 | — | 2023 |
| Daejeon Hana Citizen B | 0 | 1 | — | 2024 |
See also
References
- ^ "Breaking: K3 and K4 League Teams Confirmed". K League United. December 19, 2019. Retrieved December 27, 2019.
External links
- Official website at KFA (in Korean)
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| League system |
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