Hideo Sakaki (? ??, Sakaki Hideo) (born June 4, 1970) is a Japanese actor.
He is perhaps best known for his roles in the Japanese cult films Versus, Battlefield Baseball, and Alive.
He is a close friend of director Ryuhei Kitamura and appears in several of his films. On August 24, 2012, during production of Tokumei Sentai Go-Busters the Movie: Protect the Tokyo Enetower!, Sakaki apprehended a peeping tom in a bookstore in Tokyo and handed him over to the authorities.