Akio Otsuka (大塚 明夫code: ja is deprecated , Ōtsuka Akio, lahir 24 November 1959) adalah pengisi suara asal Jepang. Dia dikenal dengan peran-perannya dalam serial anime: sebagai "Black Jack" dalam Black Jack, sebagai "Shunsui Kyouraku" dalam Bleach, sebagai "Letnan Garuru" dalam Sersan Keroro, dan sebagai "Gwendal von Voltaire" dalam Kyo Kara Maoh!.

Akio Otsuka sekarang berada di bawah manajemen artis Mausu Promotion.

• 3x3 Eyes (Benares)
• Agatha Christie's Great Detectives Poirot and Marple (Cedric)
• Alcatraz Connection (Andy)
• Anpanman (Nigauriman, Naganegiman)
• Ashita no Nadja (Jose Rodriguez)
• Astro Boy (Pluto)
• Banner of the Stars (Samson)
• Black Jack (Black Jack)
• Bleach (Shunsui Kyoraku)
• Blue Seed (Daitetsu Kunikida)
• Chuuka Ichiban (Choyu)
• Cowboy Bebop (Whitney Hagas Matsumoto)
• Coyote Ragtime Show (Mister)
• Cromartie High School (Narator, episode 25)
• Cyborg 009 (005 Geronimo Junior)
• Detektif Conan (Inspektur Yokomizo)
• Devil May Cry (anime) (Morisson)
• Ergo Proxy (J.J., episode 11)
• Flame of Recca (Kai)
• Full Metal Panic! (Andrei Sergeivich Kalinin)
• Ghost in the Shell: Stand Alone Complex (Batou)
• The Galaxy Railways (Schwanhert Bulge)
• Ghost Stories (Ouma)
• Hakugei: Legend of the Moby Dick (Ahab Ishmael)
• Hyper Police (Batanen Fujioka)
• Juuni Senshi Bakuretsu Eto Ranger (Eibabu)
• Kindaichi Case Files (Reo Horinōchi)
• Kinnikuman Nisei (The Cyborg)
• Kurogane Communication (Hōnī)
• Kyo Kara Maoh! (Gwendal von Voltaire)
• Magic Knight Rayearth (Windom)
• Magic User's Club (Minowa Minoru)
• Mahōjin Guru Guru (Fairy Saiko)
• Martian Successor Nadesico (Koichiro Misumaru)
• The Melancholy of Haruhi Suzumiya (Arakawa, episode 6 dan 8)
• Moomin (Papa di Moomin)
• Mobile Suit Gundam 0083: Stardust Memory (Anavel Gato)
• Mobile Suit Gundam Wing (Narator, Vice Foreign Minister Darlian)
• Monkey Typhoon (GK)
• Monster (Milan Korāshu)
• Montana Jones (Montana Jones)
• Nadia: The Secret of Blue Water (Captain Nemo)
• Naruto Shippuuden (Chiriku)
• Neo Ranga (Seigo Hasegawa)
• NG Knight Lamune & 40 (King Sukasshā)
• Ninku (Shiu)
• One Piece (Blackbeard (Marshall D. Teach))
• Patlabor (Tsutomo Gomioka, lain)
• Phoenix (Patriarch)
• PoPoLoCrois (King Bieto, Gamigami)
• Ray the Animation (Black Jack)
• Rurouni Kenshin (Kurogasa)
• Saint Seiya (Hades)
• Samurai Champloo (Okuru)
• Sersan Keroro (Letnan Garuru)
• Steal Napoleon's Dictionary! (Makkuram)
• Steam Detectives (Night Phantom)
• Stratos 4 (Inquisitor Tsukino)
• Street Fighter II V (Narrator, Chief Barrac, head investigator)
• Superior Defender Gundam Force (Profesor Gerbera)
• Tenchi Muyo! Ryo-Ohki (Azusa Jurai)
• Trigun (Rai-Dei the Blade)
• The Snow Queen (The Avatar of the Wind)
• The Vision of Escaflowne (Raja Goau)

• Kyuukyuu Sentai Go Go V (Thanatos)
• Mahou Sentai Magiranger (Dagon)

• Detective Conan: The Private Eyes' Requiem (Inspektur Yokomizo)
• Fist of the North Star: The Legend of Raoh - Martyred Love Arc (Souther)
• Ghost in the Shell (Batou)
• Ghost in the Shell 2: Innocence (Batou)
• Ghost in the Shell: S.A.C. Solid State Society (Batou)
• Gundam Wing: Endless Waltz (Narator)
• Howl's Moving Castle (Kokuô)
• Inuyasha the Movie 3: Swords of an Honorable Ruler (Inu no Taisho)
• Kiki's Delivery Service (Dirigible Captain)
• Kinnikuman Nisei (The Cyborg)
• Naruto the Movie 3: The Animal Riot of Crescent Moon Island (Michiru Tsuki)
• One Piece: Baron Omatsuri and the Secret Island (Baron Omatsuri)
• Paprika (Detective Konakawa Toshimi)
• Porco Rosso (Donald Curtis)
• Tekken: The Motion Picture (Jack 2/Narrator)
• Tokyo Godfathers (Doctor)
• Vexille (Saito)

• Animaniacs (Bobby di Goodfeathers)
• The Animatrix (Thadeus)
• Avalon (Bishop)
• Balto (Steele)
• Blade series (Blade)
• Con Air (Cameron Poe)
• Crouching Tiger, Hidden Dragon (Li Mu Bai)
• Dallas (John Ross "J.R." Ewing, Jr.)
• Darkwing Duck (Launchpad McQuack)
• Desperado (El Mariachi)
• Die Hard (Karl)
• Die Hard 2 (Major Grant)
• Dragonheart (Bowen)
• D-Tox (Jake Malloy)
• DuckTales (Launchpad McQuack)
• ER (Peter Benton)
• Executive Decision (Kolonel Letnan Austin Travis)
• Erin Brockovich (George)
• Four Rooms (Man)
• The Gift (Donnie Barksdale)
• Gone with the Wind (Rhett Butler)
• Gone in Sixty Seconds (Randall Raines)
• Iron Man (Iron Man)
• K-19: The Widowmaker (Polenin)
• Hard Target (Chance Boudreaux)
• Léon (Léon)
• Lord of War (Yuri Orlov)
• The Mask of Zorro (Zorro)
• Money Train (John)
• Pearl Harbor (Commander Minoru Genda)
• Point Break (Bodhi)
• The Replacement Killers (John Lee)
• Spawn (Spawn / Al Simmons)
• Spy Kids (Gregorio Cortez)
• Star Trek: The Next Generation (William T. Riker)
• S.W.A.T. (Hondo)
• Serial Taxi (Daniel)
• Ultraman: The Ultimate Hero (Ultraman Powered)
• Under Siege (Casey Ryback)
• Suara bahasa Jepang untuk Mel Gibson
• Thomas the Tank Engine & Friends (Donald)
• Star Wars (Han Solo)

• Ape Escape 3 (Pipo Snake / Solid Snake di versi Jepang)
• Ayakashi Ninden Kunoichiban (Juzen Hagakure)
• Dissidia: Final Fantasy (Judge Gabranth)
• Final Fantasy XII (Judge Gabranth)pe
• Genji: Dawn of the Samurai (Benkei Musahibo)
• Kingdom Hearts (Ansem)
• Kingdom Hearts II (Xehanort)
• Lunar: Silver Star Story Complete (Laike Bogard and Dyne)
• Metal Gear Solid (Solid Snake)
• Metal Gear Solid 2: Sons of Liberty (Solid Snake dan Solidus Snake)
• Metal Gear Solid 3: Snake Eater (Naked Snake)
• Metal Gear Solid: Portable Ops (Naked Snake)
• Metal Gear Solid 4: Guns of the Patriots (Old Snake, Motion Capture actor for Big Boss)
• The Last Blade (Hyo Amano)
• Onimusha (Oda Nobunaga/ Fortinbras)
• Rival Schools series - (Daigo Kazama)
• Namco x Capcom (Unknown Soldier 1P)
• Samurai Warriors: Xtreme Legends (Tadakatsu Honda)
• Soulcalibur II (Spawn)
• Street Fighter IV (Seth)
• Super Smash Bros. Brawl (Solid Snake)
• Tales of Symphonia (Regal Bryant)
• Tales of Symphonia: Dawn of the New World (Regal Bryant)
• Time Crisis 4 (William Rush)
• Valkyria Chronicles (Radi Yaeger)

• (Jepang) Profil Akio Otsuka Diarsipkan 2016-06-10 di Wayback Machine. di Mausu Promotion
• (Inggris) Akio Otsuka Diarsipkan 2008-01-15 di Wayback Machine. di Eigapedia
• (Inggris) Akio Otsuka di Anime News Network