The 2025 K4 League is the sixth season of the semi-professional K4 League, the fourth-highest league of men's football in South Korea.
This season was their last season at semi-professional leagues.
Competition format The pre-season winter transfer window opened between 1 January and 24 March 2025, and the summer transfer window opened between 20 June and 31 July 2025.
Prior to the 2025 season, the size of each matchday squad increased from 18 to 20 players, following the rule of the K League. Among them, three or more players had to be under-23 Koreans, with one included in the starting line-up. The AFC player quota was removed, and participating teams could include four foreign players of any nationality.
The 2025 season consisted of 33 rounds with each team playing 30 matches. The champions were directly promoted to the K3 League, and the runners-up qualified for the promotion play-off where they played the lowest-ranked team of the 2025 K3 League.
Teams Team changes Jeonju Citizen suspended their participation due to financial issues. Seoul Nowon United also suspended their participation after failing to extend the contract with Nowon Madeul Stadium. The two teams eventually decided to be disbanded.
FC Sejong were forced out of the K4 League due to issues about their management. They moved to Malaysia with renamed Seoul Phoenix, and were replaced by Sejong SA.
Relegated from K3 League Daegu FC B
Newly joined Gijang United Sejong SA
Promoted to K3 League Jeonbuk Hyundai Motors N
Withdrawn Daejeon Hana Citizen B FC Sejong Jeonju Citizen Seoul Nowon United
Stadiums and locations
A total of eleven teams participated in the 2025 season. FC Chungju relocated to Yeoncheon and changed their name to Yeoncheon FC.
Team City Stadium Capacity Daegu FC B Daegu Daegu World Cup Stadium 2,500 Dangjin Citizen Dangjin Dangjin Sports Complex 66,422 Geoje Citizen Geoje Geoje Sports Park 3,000 Gijang United Gijang Jeonggwan Sports Healing Park 2,200 Jinju Citizen Jinju Jinju Sports ComplexModeok Sports Park 20,116? Namyangju FC Namyangju Namyangju Sports Complex 2,901 Pyeongchang United Pyeongchang Jinbu Sports Park 300 Pyeongtaek Citizen Pyeongtaek Sosabug Sports Town 12,738 Sejong SA Sejong Sejong Citizen's Stadium 996 Seoul Jungnang Seoul Jungnang District Field 400 Yeoncheon FC Yeoncheon Yeoncheon Sports Complex 9,000
Season overview
Namyangju FC and Pyeongchang United recruited South Korea internationals Suk Hyun-jun and Hwang Mun-ki as social service personnels respectively.
Ghanaian Isaac Osei and Brazilian Roberto Henrique played for Daegu FC B and Sejong SA respectively, becoming the only two foreign players of this season. Osei was also known as one of the first two homegrown players at the K League.
Seoul Jungnang earned only one win in the first half of the season. They had the possibility of gaining their second win after defeating Pyeongtaek Citizen 5–3 in their ninth match (on the tenth matchday), but forfeited the match by using an unauthorized player. They also forfeited the previous match, which ended in a goalless draw with Gijang United, due to the same resaon.
Namyangju FC started the season well, earning six wins without a defeat in the first nine matches. Pyeongchang United also showed good start, not losing in the first eight matches. The two clubs showed a very close race in the upper ranks until the last matchday, but conceded the title to Dangjin Citizen. Especially, Namyangju lost the title on goal difference after losing the last match despite Dangjin's defeat at the same time. Afterwards, Namyangju falied to be promoted to the K3 League by losing 1–0 to FC Mokpo at the promotion play-off.
League table
Results Matches 1–20
Matches 21–30
Promotion play-off The promotion play-off was contested between the 15th-placed team of K3 League and the runners-up of K4 League.
Statistics Top scorers RankPlayerClubGoals1 Gu Hyun-wooDangjin Citizen202 Ko Byung-beomPyeongtaek Citizen153 Lee Dong-jinSejong SA154 Kim Su-seongPyeongchang United135 Kim Gyeong-guGeoje Citizen12
Hat-tricks Player For Against Result Date Kim Hye-seongDangjin CitizenPyeongtaek Citizen8–0 (H)24 May 2025 Kim HongDangjin CitizenSeoul Jungnang4–2 (H)6 July 2025 Gu Hyun-wooDangjin CitizenSejong SA4–0 (H)23 August 2025 Lee Dong-jinSejong SASeoul Jungnang1–4 (A)6 September 2025 Ahn Jun-hyeokSeoul JungnangDangjin Citizen4–2 (H)15 November 2025
Most assists RankPlayerClubAssists1 Park Yo-han Pyeongchang United162 Jeong Hyun-woo Pyeongtaek Citizen103 Park Kyong-min Jinju Citizen94 Kim Jae-cheol Sejong SA7 Seo Gyeong-ju Dangjin Citizen7
Clean sheets
RankPlayerClubClean sheets1 Park Han-geunNamyangju FC9 Kim Min-geunGijang United94 Yoo Jong-minPyeongchang United6 Lee Tae-heeGeoje Citizen6 Kim Won-jeongJinju Citizen6
Discipline Player Most yellow cards: 10 Lee Si-hun (Yeoncheon FC)
Most red cards: 1 Lee Hyeon-jo (Pyeongchang United) Gang Seong-yun (Pyeongtaek Citizen) Kim Woo-jin (Pyeongtaek Citizen) Park Jin-bae (Gijang United) Lee Je-wook (Daegu FC B) Shim Min (Sejong SA) Oh Chang-gwon (Sejong SA) Ma Ji-gang (Sejong SA) Kim Jae-bong (Seoul Jungnang) Park Jae-woo (Jinju Citizen) Kim Yun-hyeon (Yeoncheon FC)
Club Most yellow cards: 57 Yeoncheon FC
Fewest yellow cards: 34 Namyangju FC
Most red cards: 6 Pyeongcaek Citizen
Most straight red cards: 3 Sejong SA
Fewest red cards: 0 Geoje Citizen Dangjin Citizen
See also 2025 in South Korean football 2025 K3 League 2025 Korea Cup
References
External links at KFA