2021 WK League
The 2021 WK League was the 13th season of the WK League, the top division of women's football in South Korea. The regular season ran from 26 April to 9 November 2021.
Due to the COVID-19 pandemic, the total amount of rounds were reduced from 28 to 21.
Teams
Stadiums and locations
| Team | City | Stadium | Capacity | Position in 2020 |
| Boeun Sangmu | Boeun | Boeun Public Stadium | 6,000 | 8th place |
| Changnyeong WFC | Changnyeong | Changnyeong Sports Park | 2,500 | 5th place |
| Gyeongju KHNP | Gyeongju | Gyeongju Football Park | 650 | Runners-up |
| Hwacheon KSPO | Hwacheon | Hwacheon Sports Park | 3,000 | 4th place |
| Incheon Hyundai Steel Red Angels | Incheon | Incheon Namdong Asiad Rugby Field | 5,078 | Champions |
| Sejong Sportstoto | Sejong | Sejong Central Park | 1,000 | 6th place |
| Seoul WFC | Seoul | Mokdong Stadium | 15,511 | 7th place |
| Suwon UDC | Suwon | Suwon Sports Complex | 11,808 | 3rd place |
Foreign players
The total number of foreign players was restricted to three per club, including a slot for a player from the Asian Football Confederation countries. Boeun Sangmu were not allowed to sign any foreign players due to their military status.| Club | Player 1 | Player 2 | AFC player |
| Changnyeong WFC |  Regular seasonLeague tableChampionship play-offsFinal----''Incheon Hyundai Steel Red Angels won 2–1 on aggregate.'' |