Kohei Kiyasu (喜安 浩平, Kiyasu Kōhei, February 19, 1975) is a Japanese actor, voice actor (seiyū), director and screenwriter. He was born in Masaki Town, Iyo District, Ehime Prefecture, Japan.

In 1998, he passed the cast audition for Nylon 100 °C, and since 1999 he has been a member of the theater company. In 2000, he founded the theater troupe Bull Docking Headlock (ブルドッキングヘッドロック). In the same year, he made his voice acting debut as Makunouchi Ippo in the television anime Hajime no Ippo.