Kishō Taniyama is a Japanese voice actor, singer, and lyricist born on August 11, 1975, in Ube, Yamaguchi Prefecture. He is affiliated with the talent agency Ken Production and is also known by his stage name Kishow as the vocalist and lyricist for the rock band Granrodeo.

Taniyama decided to pursue a career in voice acting after being inspired by the animated film Akira. Following his graduation from high school in Yamaguchi, he moved to Tokyo in 1994 and enrolled in the voice acting department at Yoyogi Animation Academy to receive formal training. He joined Ken Production in 1995 after successfully passing an audition at his vocational school. His professional debut came in 1996 with a minor role in the OVA series The Legend of the Galactic Heroes. The early years of his career were marked by instability, with a period of roughly ten years during which he experienced financial hardship and had few steady jobs. He continued to build his resume throughout the late 1990s and early 2000s with supporting parts in various anime, including The King of Braves GaoGaiGar and Devilman Lady.

Taniyama's breakthrough role came with his portrayal of Jean Kirstein in the globally successful Attack on Titan series, which began in 2013. This role significantly raised his international profile. He has since become known for a wide range of characters, demonstrating his versatility across different genres. Some of his most prominent roles include Chūya Nakahara in Bungo Stray Dogs, Natsuki Shinomiya in the long-running Uta no Prince-sama franchise, Stiyl Magnus in A Certain Magical Index, Kittan in Gurren Lagann, and Yahiro Saiga in S.A. He also voiced Ikki in Amnesia, Tatsuya Himuro in Kuroko's Basketball, and Shūji Sakaki in Psychic Squad and its sequel. More recent roles include Dark Schneider in BASTARD!! -Heavy Metal, Dark Fantasy-, General Furfur in Welcome to Demon School, Iruma-kun, Hyakutarō Onigawara in Tomodachi Game, and Renatus Revol in Mashle: Magic and Muscles.

In addition to his acting work, Taniyama has a significant career in music. In 2005, he co-founded the rock duo Granrodeo with composer and guitarist Katsushi Murai, performing as the lead vocalist and lyricist under the name Kishow. The band is known for performing numerous anime theme songs and has released multiple albums and singles, conducting regular nationwide tours in Japan. In 2024, he released his first major solo album, Shinya Reiji, under the moniker KISHOW and embarked on a solo live tour to promote it.

His work has been recognized within the industry. In 2012, he was a recipient of the Best Musical Performance award at the 6th Seiyu Awards as part of the group ST☆RISH from the Uta no Prince-sama series. He is also the official Japanese dubbing voice for the character Fred Jones in the Scooby-Doo franchise.