Koji Yusa (?? ??, Yusa Koji, born August 12, 1968) is a Japanese voice actor and narrator, born and raised in Fushimi-ku, Kyoto.
He is best known for his roles in Choja Raideen (as Raideen Owl), the Sonic series (as Shadow the Hedgehog), Bleach (as Gin Ichimaru), Battle Vixens (as Zuo Ci and Xu Huang), Majin Tantei Nogami Neuro (as Eiji Sasazuka), Zettai Karen Children (as Kyosuke Hyobu) and Kamen Rider Den-O (as Urataros).
He won the Sinergy Award for Kamen Rider Den-O at the 2nd Seiyu Awards.
He married voice actress, Kanako Mitsuhashi in 2007 and he announced on his radio program that they divorced in 2012.