Mykola Hryhorovych Hrynko or Nikolai Grigoryevich Grinko (Ukrainian: Микола Григорович Гринько; Russian: Николай Григорьевич Гринько) was a Soviet and Ukrainian actor.

His film debut was in the role of a rebel in the film "Taras Shevchenko" by Igor Savchenko. He is best known for his roles in the films of Andrei Tarkovsky, including: "Ivan's Childhood", "Andrei Rubliov", "Solaris", "Mirror", and "Stalker", as well as Sergei Parajanov's "Shadows of Forgotten Ancestors".