Akio Suyama is a Japanese voice actor affiliated with Sigma Seven.
| Movie | Mirage Queen's Elegant Vacations | Kurasa (Voice) | 2025-05-23 |
| Series | ZENSHU | QJ (voice) | 2025-01-05 |
| Series | SHIBUYA♡HACHI | Mike (voice) | 2024-04-06 |
| Series | D_Cide Traumerei the Animation | Junhei Oda (voice) | 2021-07-10 |
| Movie | Doraemon: Nobita's Treasure Island | Jose (voice) | 2018-03-03 |
| Movie | Detective Conan: Sunflowers of Inferno | Kounosuke Jii (voice) | 2015-04-18 |
| Series | Attack on Titan | Hugo (voice) | 2013-04-07 |
| Series | Hyper Speed Transforming Gyrozetter | Michinori "Michie" Hane (voice) | 2012-10-02 |
| Movie | Smile Precure! The Movie: Big Mismatch in a Picture Book! | Kinkaku | 2012-10-25 |
| Series | Moshidora | Jirou Kashiwagi (voice) | 2011-03-14 |
| Series | Heroman | Nicholas de Carlo (voice) | 2010-04-01 |
| Movie | Come Back! Samurai Sentai Shinkenger: Special Act | Demebakuto (voice) | 2010-06-11 |
| Series | Nabari no Ou | Hyou (voice) | 2008-04-06 |
| Movie | Gurren Lagann The Movie: Childhood's End | Cytomander (voice) | 2008-09-06 |
| Series | Yes! PreCure 5 | Gamao | 2007-02-04 |
| Series | Venus Versus Virus | Gai | 2007-01-12 |
| Series | Gurren Lagann | Cytomander (voice) | 2007-04-01 |
| Series | Yume Tsukai | Keiki Shimane (voice) | 2006-04-09 |
| Series | Kirarin Revolution | Hiroto Kazama | 2006-04-07 |
| Movie | Sakura Taisen Kayou Show Final Kouen 『Shin Ai Yueni』 | Ichiro Ogami | 2006-08-12 |
| Movie | Pokémon Mystery Dungeon: Team Go-Getters out of the Gate! | Bulu (voice) | 2006-09-08 |
| Movie | Animal Crossing: The Movie | Perio (voice) | 2006-12-16 |
| Movie | Diebuster: The Movie | Roy Anyan (voice) | 2006-10-01 |
| Series | Tsubasa RESERVoir CHRoNiCLE | Sorata (voice) | 2005-04-09 |
| Series | Wolf's Rain | Hige (voice) | 2003-01-07 |
| Series | Cromartie High School | Hokuto no kobun (voice) | 2003-10-03 |
| Series | Sakura Wars: Ecole de Paris | Ichiro Ogami | 2003-03-19 |
| Series | Stellvia of the Universe | Joey Jones | 2003-04-02 |
| Series | Pluster World | Gan (voice) | 2003-04-03 |
| Movie | Words Worth: Outer Story | 2002-07-25 | |
| Movie | Sakura Wars: ~Su~Mi~Re~ | Ichiro Ogami (voice) | 2002-12-18 |
| Series | PaRappa the Rapper | Groober (voice) | 2001-04-14 |
| Series | Fruits Basket | Hatsuharu Sohma (voice) | 2001-07-05 |
| Movie | Princess Arete | Young Boax (voice) | 2001-08-01 |
| Movie | Sakura Wars: The Movie | Ichiro Ogami (voice) | 2001-12-22 |
| Series | Sakura Wars | Ichiro Ogami (voice) | 2000-04-08 |
| Series | Nazca | Shinri Shiogami | 1998-04-06 |
| Series | Steam Detectives | Doria (voice) | 1998-10-07 |
| Series | Very Private Lesson | Kojishi (voice) | 1998-04-21 |
| Movie | Perfect Blue | Tadashi Doi (voice) | 1998-02-28 |
| Series | Yokohama Kaidashi Kikou | Takahiro (voice) | 1998-05-21 |
| Series | Prince Mackaroo | Ojarumaru's Father | 1998-10-05 |
| Movie | Let's & Go! WGP The Great Pursuit of the Berserk Mini 4WD car! | 1997-07-05 | |
| Movie | Bakusō Kyōdai Let's & Go!! WGP Bōsō Mini Yonku Dai Tsuiseki! | Futoshi | 1997-07-15 |
| Series | Sakura Wars | Ichiro Ogami | 1997-12-18 |
| Series | Bakusou Kyoudai Let's & Go!! | Futoshi Kurozawa (voice) | 1996-01-08 |
| Movie | Angel Legend | 1996-12-13 | |
| Series | I'll Make a Habit of It | Henchman 2 | 1994-04-05 |