Giannis Mihalopoulos (Greek: Γιάννης Μιχαλόπουλος; 22 April 1927 – 10 June 2016) was a Greek actor.

Mihalopoulos was born in Athens. He mostly acted in supporting roles, appearing in many movies, his most famous being Ah! Afti I Gynaika Mou (1967), and A Man for All the Chores (1966). He also had many roles on television; his most famous being Orkisteite parakalo (1982-1984), in which he acted as a judge in a court.