Russian designer Valentin Yudashkin died aged 59, said spokesperson for his fashion company, APA reports citing France24.
Kremlin spokesman Dmitry Peskov told reporters that Yudashkin "made a major contribution to the development of Russian culture".
President Vladimir Putin "expresses his deepest condolences", Peskov said.
The designer had been battling cancer for several years, according to Russian media.
In 2008, he helped design the Russian army's uniforms.