K League
| Organising body | Korea Football Association (1983–1986) K League Federation (1987–1988) Korea Football Association (1989–1994) K League Federation (1994–present) | 
|---|---|
| Founded | 1983 | 
| Country | South Korea | 
| Confederation | AFC | 
| Divisions | K League 1 K League 2 | 
| Number of clubs | 26 | 
| Level on pyramid | 1–2 | 
| Domestic cup(s) | Korean FA Cup | 
| International cup(s) | AFC Champions League Elite AFC Champions League Two | 
| Current champions | Ulsan HD (2024) | 
| Most championships | Jeonbuk Hyundai Motors (9 titles) | 
| Broadcaster(s) | JTBC Golf&Sports Sky Sports (South Korea) IB SPORTS | 
| Website | www | 
| Current: 2025 K League 1 2025 K League 2 | |
K League (Korean: K리그) is South Korea's professional football league. It includes the first division K League 1 and the second division K League 2. Clubs competing in the K League have won a record total of twelve AFC Champions League titles, the top continental competition for Asian clubs.