Marek Zieńczuk (born 24 September 1978) is a Polish professional football manager and former player who played as a midfielder.

Subsequently he joined Polonia Gdańsk, but quickly returned to Lechia where he made his senior debut.

Zieńczuk was elected the best Ekstraklasa player in the 2007–08 season by "Sport" magazine.

[3] Also, he was named to the Ekstraklasa Best XI in the 2007–08 season by other players in Polish Footballers' Association voting.

[5][6] After a half season spell, he moved to Ruch Chorzów on a one-and-a-half-year contract.