Minoru Chiaki (千秋 実, Chiaki Minoru, April 28, 1917 – November 1, 1999) was a Japanese actor who appeared in eleven of Akira Kurosawa's films, including Rashomon, Seven Samurai, Throne of Blood, and The Hidden Fortress. He was also one of Kon Ichikawa's favorite actors.

He attended, but did not graduate from, Chuo University. 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).

He died of cardiac and pulmonary failure at age 82. His son Katsuhiko Sasaki is also an actor.