Marek Krzysztof Witkowski (born May 21, 1974 in Czechowice-Dziedzice) is a Polish sprint canoer who competed from 1994 to 2000.
Competing in two Summer Olympics, he won a bronze medal in the K-4 1000 m event at Sydney in 2000.
For his sport achievements, he received: Golden Cross of Merit in 2000.