Akio Ohtsuka (born November 24, 1959) is a Japanese male actor and seiyū from the Tokyo Metropolitan area affiliated with Mausu Promotion. His height is 182 centimeters (6 feet), his weight is 73 kilograms (about 161lbs), and his blood type is B. He married fellow seiyū Yōko Sōmi on February 11, 2005. His father, also a seiyū, is Chikao Ōtsuka.

The astringent and calm quality of his voice has landed him many roles in films, dubbing, animation, and video games. He is most known for the roles of Black Jack (Black Jack), Solid Snake (Metal Gear Solid), Shunsui Kyouraku (Bleach), Lieutenant Garuru (Sgt. Frog) Gwendal von Voltaire (Kyo Kara Maoh!), Batou (Ghost in the Shell) series and movies, Blackbeard (One Piece), and Anavel Gato (Mobile Suit Gundam 0083: Stardust Memory).