2018 WK League

The 2018 WK League was the tenth season of the WK League, the top division of women's football in South Korea. The regular season began on 23 April 2018 and ended on 22 October 2018.

In the off-season, Icheon Daekyo ceased operations, while Changnyeong WFC joined the league. Suwon FMC (Facilities Management Corporation) changed its name to Suwon UDC (Urban Development Corporation).

Incheon Hyundai Steel Red Angels won their sixth consecutive title.

Draft
The 2018 WK League Draft was held on 27 December 2017 at the Koreana Hotel in Seoul.

Military-owned team Boeun Sangmu was not allowed to participate in the main draft because of the military status, and it could select players among the applicants only.

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.

Military-owned team Boeun Sangmu was not allowed to sign any foreign players.

Championship playoffs
The semi-final was contested between Gyeongju KHNP and Suwon UDC, the second and third-placed teams in the regular season, respectively. Gyeongju KHNP advanced to the two-legged final after defeating Suwon UDC 2–0, but lost 3–1 on penalties to regular season winners Incheon Hyundai Steel Red Angels in the final.

Final
''4–4 on aggregate. Incheon Hyundai Steel Red Angels won 3–1 on penalties.''