[1] In the off-season, Icheon Daekyo ceased operations, while Changnyeong WFC joined the league.
Incheon Hyundai Steel Red Angels won their sixth consecutive title.
The 2018 WK League Draft was held on 27 December 2017 at the Koreana Hotel in Seoul.
[2] 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.
The semi-final was contested between Gyeongju KHNP and Suwon UDC, the second and third-placed teams in the regular season, respectively.