Kazimierz Wardak (born 4 March 1947 in Polczyn-Zdrój) is a retired Polish runner who specialized in the 800 metres.
At the 1970 European Indoor Championships he won a silver medal in medley relay together with Edmund Borowski, Stanislaw Waskiewicz and Eryk Zelazny.At the 1971 European Indoor Championships he won a silver medal in 4 x 800 metres relay together with Krzysztof Linkowski, Zenon Szordykowski and Michal Skowronek.
This team still has the Polish indoor record in the event.