The 2017–18 V-League season was the 14th season of the V-League, the highest professional volleyball league in South Korea. The season started on 14 October 2017 and finished on 30 March 2018. Cheonan Hyundai Capital Skywalkers were the defending champions in the men's league and Hwaseong IBK Altos the defending female champions.
Match won 3–0 or 3–1: 3 match points for the winner, 0 match points for the loser
Match won 3–2: 2 match points for the winner, 1 match point for the loser