Vítězslav Sedlák (born 5 February 1991) is a Czech darts player and a member of the team Mustang Knínice.

In April 2020 he became one of the ten players of newly found 2020 Tipsport Premier League as a replacement for Tomáš Houdek.

[1] Sedlák was among top 4 players during the round robin stage and secured his playoff spot.

In the final he played against the overall winner of the round robin, Jan Hlavacek, and won 10–8, successfully defending the title.

In Autumn 2022 he was runner-up of the WDF tournament in Spain, where he missed two match darts for the title.

At the beginning of 2023 Sedlák took part in 2023 PDC European Q-School, where he advanced to the Final Stage but was not able to secure a Tour Card.