Mikhail Mikhaylovich Ryzhak (Russian: Михаил Михайлович Рыжак, 10 March 1927 – 25 March 2003) was a Ukrainianwater polo player who competed for the Soviet Union in the 1956 Summer Olympics. He was born in Kharkiv, Ukrainian SSR. Ryzhak was part of the Soviet team which won the bronze medal in the 1956 tournament. He played one match as goalkeeper.