| Organising body | K League Federation |
|---|---|
| Founded | 1990 |
| Country | South Korea |
| Number of teams | 16 |
| Current champions | Group A: FC Seoul Group B: Pohang Steelers (2019) |
| Most championships | FC Seoul (10 titles) |
The R League (Korean: R리그), also known as the Korean Professional Football Reserve League, is the league for reserve teams of professional football clubs in South Korea.