| Season | 2023 |
|---|---|
| Dates | 25 February – 11 November 2023[1] |
| Champions | Yeoju FC (1st title) |
| Promoted | Yeoju FC Daegu FC B |
| Best Player | Jeong Chung-geun[2] |
| Top goalscorer | Jeong Chung-geun (17 goals)[2] |
← 2022 2024 → | |
The 2023 K4 League was the fourth season of the K4 League.
Defending champions Goyang KH was dissolved. Runners-up Yangpyeong FC and promotion play-offs winners Chuncheon Citizen were promoted to the K3 League, while Dangjin Citizen were relegated from the K3 League.
The 16 participating teams played each other twice. The top two teams were promoted to the K3 League and the third and foruth-placed teams qualified for the promotion play-offs.[3]
On 3 July 2023, Goyang Happiness were dissolved due to their financial crisis and Korea Football Association decided to nullify Goyang Happiness' results.