K League 2
| Organising body | K League Federation |
|---|---|
| Founded | 2013 |
| Country | South Korea |
| Confederation | AFC |
| Number of clubs | 17 |
| Level on pyramid | 2 |
| Promotion to | K League 1 |
| Relegation to | K3 League |
| Domestic cup | Korea Cup |
| Current champions | Incheon United (2025) |
| Most championships | Gwangju FC Sangju Sangmu Gimcheon Sangmu (2 titles each) |
| Broadcaster(s) | Sky Sports (South Korea) Life & Sports TV |
| Website | kleague.com |
| Current: 2026 K League 2 | |
The K League 2 (Korean: K리그2) is the men's second-highest division of the South Korean football league system. Established in 2013 as K League Challenge, it is contested by 17 professional clubs.