Back K3 League (2020) German K3 League Spanish Championnat de Corée du Sud de football de troisième division French K3リーグ Japanese K3리그 Korean K3 League Vietnamese
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| Organising body | Korea Football Association |
|---|---|
| Founded | 2020 |
| Country | South Korea |
| Number of teams | 16 |
| Level on pyramid | 3 |
| Promotion to | K League 2 (from 2027) |
| Relegation to | K4 League |
| Domestic cup(s) | Korean FA Cup |
| Current champions | Siheung Citizen (2024) |
| Most championships | Gimhae FC Gimpo FC Hwaseong FC Changwon City Siheung Citizen (1 title each) |
| TV partners | Coupang Play YouTube |
| Website | kfa.or.kr (in Korean) |
| Current: 2025 K3 League | |
| K3 League | |
| Hangul | K3리그 |
|---|---|
| Revised Romanization | K3 Rigeu |
| McCune–Reischauer | K3 Rigŭ |
The K3 League is the third-highest division in the South Korean football league system. It was run as an amateur league until 2019, but was relaunched as a semi-professional league after absorbing the Korea National League in 2020. It is currently contested by 16 clubs.