Minoru Chiaki (April 28, 1917 - November 1, 1999) was a Japanese actor who appeared in such films as Akira Kurosawa's Seven Samurai and The Hidden Fortress.

In Seven Samurai he was the good-natured samurai Heihachi. Later in his career he appeared as a secondary actor in many Toei films. In 1986 he was given the Best Actor prize at the Japan Academy Prize ceremony for his performance in Toei's Gray Sunset (1985).