Leagues and Clubs of South Korea2021
K-League 1 (1. League)
- 1. Jeonbuk Hyundai Motors
- 2. Ulsan Hyundai
- 3. Daegu FC
- 4. Jeju United
- 5. Suwon FC
- 6. Suwon Samsung Bluewings
- 7. FC Seoul
- 8. Incheon United
- 9. Pohang Steelers
- 10. Seongnam FC
- 11. Gangwon FC
- 12. Gwangju FC
K-League 2 (2. League)
- 1. Gimcheon Sangmu
- 2. FC Anyang
- 3. Daejeon Hana Citizen
- 4. Jeonnam Dragons
- 5. Busan I'Park
- 6. Gyeongnam FC
- 7. Ansan Greeners
- 8. Chungnam Asan
- 9. Seoul E-Land FC
- 10. Bucheon FC 1995
K3 League (3. League)
- 1. Cheonan City
- 2. Gimpo FC
- 4. Gyeongju KHNP
- 5. Gimhae FC
- 6. Busan Transportation Corporation
- 7. Ulsan Citizen
- 8. Changwon City
- 9. Daejeon Korail
- 12. Hwaseong FC
- 14. Gangneung City
- 15. Yangju Citizen
K4 League (4. League)
- 1. Pocheon Citizen
- 4. Chungju Citizen
- 6. Geoje Citizen
- 7. Pyeongchang United
- 9. FC Namdong
- 15. Jeonju Citizen
- 16. Goyang Citizen
University (0. League)
- Ajou University
- Chung-Ang University
- Dankook University
- Digital Seoul Culture Arts University
- Donga University
- Dongkook University
- Gwangju University
- Hanyang University
- Hongik University
- Incheon University
- Konkuk University
- Korea University
- Kyunghee University
- Seoul National University
- Soongsil University
- Sungkyunkwan University
- Sunmoon University
- Ulsan University
- Yeungnam University
- Yongin University
- Yonsei University
