Kousuke Okano is a Japanese voice actor formerly belonging to voice acting talent agency Production Baobab but is now freelance. He often worked for Japanese anime television network Animax as a narrator along with fellow voice actress Yukari Tamura. He uses the alias Masaru Hishi for his work on adult games and anime.

• Great Teacher Onizuka (1999)

  
• 劇場版 頭文字D Third Stage (2001)