Nikolai Grigoryevich Grinko or Mykola Hryhorovych Hrynko (Ukrainian: Микола Григорович Гринько; Russian: Никола́й Григо́рьевич Гринько́; 22 May 1920 – 10 April 1989) was a Soviet and Ukrainian actor.

Nikolai Grinko was born on 22 May 1920[1] in Kherson, then in Ukrainian SSR (now Ukraine).

[2] His wife was 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.

His screenplay for Ivan Franko's Stolen Happiness had been lying in the studio offices for 6 years and was put on the shelf.

Grinko is well known for his roles in the films of Andrei Tarkovsky, including: Ivan's Childhood, Andrei Rublev, Solaris, Mirror, and Stalker.