|Born:||November 24, 1959, Tokyo, Japan|
|Spouse:||Yoko Somi (2005-2009, divorced)|
Akio Otsuka (大塚 明夫 Ōtsuka Akio?) is an actor and voice actor that affiliated to the Mausu Production. He was the second voice actor for Ultraman Powered in episode 13 of Ultraman: The Ultimate Hero, as the first one was Sho Kosugi in episode 1, whom previously did for the original English version.
- Black Jack - voice of Black Jack
- Metal Gear games - voices of Solid Snake, Solidus Snake, Naked Snake and Venom Snake
- Kingdom Hearts series - voice of "Ansem"
- Bleach - voice of Shunsui Kyouraku
- Keroro Gunso - voice of Lt. Garuru
- Kyo Kara Maoh! - voice of Gwendal von Voltair
- Ghost in the Shell series and movies - voice of Batou
- One Piece - voice of Blackbeard
- Detective Conan - voice of Sango and Jugo Yokomizo
- Mobile Suit Gundam 0083: Stardust Memory - voice of Anavel Gato
- Uchu Sentai Kyuranger - voice of Champ/Oushi Black
- He is the son of voice actor Chikao Otsuka (of Aoni Productions), whom passed away in January 2015.