# 2025 K4 League

The 2025 K4 League is the sixth season of the semi-professional K4 League. It is the fourth tier of men's football in South Korea.
The pre-season, winter transfer window opened on 1 January 2025 and will close on 24 March 2025. The summer transfer window will open on 20 June 2025 and will close on 31 July 2025.

## Competition format

The regular season will be played over 33 rounds. Fixtures were officially published on February 5, 2025 via the league's Instagram account.
The winner of the regular league season will be crowned champions without a playoff and gain automatic promotion. The 2nd-placed team may gain promotion via a two-game playoff series against the 14th-place team in the 2025 K3 League.

## Teams

Eleven teams are competing in the 2025 season.
Following the example of K League, match day squads have increased from 18 to 20 players. Three or more players must be Korean nationals aged 23 or younger, with one included in the starting eleven. The Asian player quota has been removed, and teams may now include 4 foreign players of any nationality.

### Team changes

Relegated from K3 League
* Daegu FC B
Newly joined
* Gijang United FC
* Sejong SA FC
Withdrawn
* Jeonju Citizen FC - Suspended at the end of the 2024 season due to financial issues, and subsequently disbanded.
* FC Sejong - Suspended at the end of the 2024 season due to issues with team management.
* Seoul Nowon United FC - Suspended for one year before the start of the 2025 season due to various issues including the termination of an agreement between the team and the Nowon-gu local government, and subsequently disbanded.
Change Name
* FC Chungju relocated to Yeoncheon and changed their name to Yeoncheon FC.

### Stadiums and locations

| Team | Home city | Home ground | Capacity |
| Dangjin Citizen FC | Dangjin | Dangjin Sports Complex | 5,000 |
| Daegu FC B | Daegu | Daegu Stadium Auxiliary Stadium | 2,500 |
| Geoje Citizen FC | Geoje | Geoje Sports Park | 3,000 |
| Gijang United FC | Gijang County | Gijang World Cup Village | 3,180 |
| Jinju Citizen FC | Jinju | Jinju Sports Complex (Temporary relocation to Modeok Sports Park) | 20,116 |
| Namyangju FC | Namyangju | Namyangju Sports Complex | 2,901 |
| Pyeongchang United FC | Pyeongchang County | Jinbu Sports Park soccer field | 300 |
| Pyeongtaek Citizen FC | Pyeongtaek | Sosabug Ports Town | 12,738 |
| Yeoncheon FC | Yeoncheon County | Yeoncheon Sports Complex | 9,000 |
| Seoul Jungnang FC | Seoul | Jungnang-gu Lawn Stadium | 400 |
| Sejong SA FC | Sejong | Sejong Citizen’s Stadium | 996 |

## Standings

| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
| 1 | Geoje Citizen | 3 | 2 | 1 | 0 | 9 | 4 | +5 | 7 | Promotion to 2026 K3 League |
| 2 | Namyangju FC | 3 | 2 | 1 | 0 | 4 | 2 | +2 | 7 | Promotion-Relegation playoff |
| 3 | Daegu FC B | 2 | 2 | 0 | 0 | 6 | 1 | +5 | 6 | |
| 4 | Dangjin Citizen | 3 | 2 | 0 | 1 | 9 | 7 | +2 | 6 | |
| 5 | Pyeongchang United | 3 | 1 | 2 | 0 | 7 | 2 | +5 | 5 | |
| 6 | Pyeongtaek Citizen | 3 | 1 | 1 | 1 | 6 | 7 | −1 | 4 | |
| 7 | Jinju Citizen | 3 | 1 | 1 | 1 | 3 | 5 | −2 | 4 | |
| 8 | Yeoncheon FC | 3 | 1 | 0 | 2 | 4 | 9 | −5 | 3 | |
| 9 | Gijang United | 2 | 0 | 0 | 2 | 1 | 3 | −2 | 0 | |
| 10 | Sejong SA | 2 | 0 | 0 | 2 | 2 | 5 | −3 | 0 | |
| 11 | Seoul Jungnang | 3 | 0 | 0 | 3 | 2 | 8 | −6 | 0 | |

## Results

| Home \ Away | DJ | DG | GJ | GJC | JJ | NYJ | PC | PT | YC | JN | SJ |
| Dangjin | — | | | | | | | | | | |
| Daegu | | — | | | | | | | | 3–0 | |
| Geoje | 4–1 | | — | | | | | | | 4–2 | |
| Gijang | | | | — | | | | | | | |
| Jinju | | | | 1–0 | — | | | 1–1 | | | |
| Namyangju | | | | | | — | | | | | 2–1 |
| Pyeongchang | | | 1–1 | | | 1–1 | — | | | | |
| Pyeongtaek | 3–5 | | | 2–1 | | | | — | | | |
| Yeoncheon | 0–3 | | | | 4–1 | | 0–5 | | — | | |
| Jungnang | | | | | | 0–1 | | | | — | |
| Sejong | | 1–2 | | | | | | | | | — |