Mark Semyonovich Donskoy (6 March [O.S. 21 February] 1901 – 21 March 1981) was a Soviet film director, screenwriter, and studio administrative head. Donskoy was born in Odessa in a Jewish family. During the Civil War, he served in the Red Army (1921-1923), and was held captive by the White Russians for ten months. After he was freed, he was discharged from military service.

He studied psychology and psychiatry at the Crimean Medical School. In 1925 he graduated from the legal department of the Faculty of Social Sciences of the Crimean M.V. Frunze University in Simferopol. He worked in investigative bodies, in the Supreme Court of the Ukrainian SSR, and in the bar association. He published a collection of short stories drawn from his life called "Prisoners" (1925).