Darezhan Omirbayev (Kazakh: Дәрежан Өмiрбаев; born 15 March 1958; Alekseevka) is a Soviet and Kazakh film director and screenwriter. His film "Killer" (1998) won Un Certain Regard at the 51st Cannes Film Festival.

In 1980 he graduated from the Faculty of Applied Mathematics of the Kazakh State University. He worked as a teacher and programmer, editor at the Kazakhfilm film studio. He studied at the directing faculty of VGIK.