|Birthday||October 11, 1991|
Koutaro Nishiyama (西山 宏太朗 Nishiyama Koutarou) is a Japanese voice actor who was raised in Kanagawa Prefecture, Japan. He is affiliated with 81 Produce and voices Toru Iwashimizu in the Free! series beginning with Free!-Eternal Summer-.
Community content is available under CC-BY-SA unless otherwise noted.