Krzysztof Stelmach (born 11 November 1967) is a Polish professional volleyball coach and former player.

He was a member of the Poland national team from 1987 to 1997, and a participant in the Olympic Games Atlanta 1996.

He has a younger brother Andrzej, who is a former volleyball player and coach.

[1] During the 2015–16 PlusLiga season he served as head coach for BBTS Bielsko-Biała.

In 2016, he became Philippe Blain's assistant in PGE Skra Bełchatów.