Wiesław Jan Maniak (22 May 1938 – 28 May 1982) was a Polish athlete who mainly competed in the 100 m sprint.

He competed for Poland at the 1964 Summer Olympics held in Tokyo, Japan where he won the silver medal in the men's 4 x 100 metre relay with his teammates Andrzej Zieliński, Marian Foik and Marian Dudziak.

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