Mamoru Miyano (宮野 真守, Miyano Mamoru^?, born June 8, 1983) is a Japanese voice actor, actor, and singer from Saitama Prefecture. He is best known for his roles on Ouran High School Host Club, Death Note, Mobile Suit Gundam 00, Kōtetsu Sangokushi and Steins;Gate. At the 2007 Seiyu Awards he was nominated for two awards for his role as Light Yagami in Death Note, and in 2008, he won the "Best Voice Actor" award at the 2008 Tokyo International Anime Fair. At the 2008 Seiyu Awards, Miyano won "Best Lead Actor Award" for his role as Setsuna F Seiei in Mobile Suit Gundam 00, and as Hakugen Rikuson in Kōtetsu Sangokushi.

Miyano began his career as a musician in 2007. He released his debut single, "Kuon" (久遠^?, lit. Eternity), in May on the King Records label. In March 2009, his debut album Break was released. Miyano married in late 2008. He and his wife have a son together.

Miyano started his voice acting career in 2002, providing the voice of Riku in the Japanese version of the PlayStation 2 video game Kingdom Hearts. He then voiced Kiba, the main character of anime series Wolf's Rain. He returned as the voice for Riku in the 2004 Game Boy Advance game Kingdom Hearts: Chain of Memories, and in Kingdom Hearts II in 2005, and in Kingdom Hearts Re:Chain of Memories in 2007.