Nikolai Grigoryevich Grinko or Mykola Hryhorovych Hrynko (Ukrainian: ?????? ?????????? ???????; Russian: ??????´? ?????´?????? ???????´; May 22, 1920, Kherson – April 10, 1989, Kiev) was a Soviet and Ukrainian actor.
He is well known for his roles in the films of Andrei Tarkovsky, including: Ivan's Childhood, Andrei Rubliov, Solaris, Mirror, and Stalker.
He starred in the 1981 film Teheran 43.
His wife is Ayshe Rafetovna Chulak-ogly (born 1932), a violinist of the State Radio and Television Symphony Orchestra of the Ukrainian SSR, a jazz-symphonic ensemble Dnepr.