Koyasu Takehito roles (anime)
Takehito has done the following roles in anime.
| Air Master [2003] | Fukamichi |
| Angel Links | Warren Phatom |
| Angel Sanctuary | Kira Sakuya |
| Area 88 TV [2004] | Kazama Shin |
| Argent Soma [2000] | Dan Simmons |
| Aries | Minos |
| Arslan Senki | Melrain |
| Ashita he no Free Kick | Randou Shin |
| Bakuen Campus Guardress | Tenkuu |
| Bakuman [2010-2012] | Yoshida Kouji |
| Banner of the Stars [2000] | Febdash |
| Bannou Bunka Nekomusume {phase V} | shuusai |
| Beast Wars | Convoy |
| Betterman | Lamia |
| Bobobo-bo Bo-BoBo | BoBoBo |
| Boku no Sexual Harrassment | young man |
| Bronze | Izumi |
| Burn Up Excess [1997-1998] | Yuji |
| Chance Triangle Session [2001] | Kosaka Kaito |
| Cinderella Boy [2003] | Ranma |
| CLAMP Gakuen Tanteidan {Episode 4} | Ebihara-sensei |
| Cowboy Bebop | Bull |
| Da Garn | Seven Changer |
| Dagwon | Hirose Kai |
| Date A Live [2013-2014] | Kannazuki Kyouhei |
| Date A Live IV [2022] | Kannazuki Kyouhei |
| Date A Live V [2024] | Kannazuki Kyouhei |
| Demonbane OVA | Winfield |
| Dennou Sentai Voogie's Angel | Dr. Crimt |
| Dirty Pair Flash | Gabusu |
| Divergence Eve | LeBlanc |
| DNA^2 | Sugashita Ryuuji |
| Dog Days [2011-2012] | Rolan Martinozzi |
| Dororon Enma-kun Meeramera [2011] | Kapaeru |
| Dragon Fist | Henchman C |
| Dragoon | Randy |
| Eatman 98 | Marco |
| El Hazard {TV 2} | Dall Narciss |
| Elf wo Karu Mono Tachi {Episode 1} | Andy |
| Evangelion | Aoba Shigeru |
| Excel Saga | Ilpalazzo |
| Excel Saga | Producer Kitayama |
| FIGHT! | Ukyo |
| Final Fantasy: Unlimited [2001] | Fist |
| Fire Emblem | Navahl |
| Full Metal Alchemist (Hagane no Renkinjutsushi) | Lujon |
| Full Metal Panic! [2001] | Zaidou |
| Fushigi Yuugi | Hotohori |
| G Gundam | Beruiman |
| GadGuard | Takenaka |
| Gakusaver | George Hosoi |
| Gatchaman '94 | Dr. Kessler |
| Gatekeepers [2000] | Banba Choutarou |
| Gestalt | Olivier |
| Ginga Tetsudo Monogatari/Galactic Railways [2003-2004] | Bruce J. Speed |
| Granzort | Black Samurai |
| Gravitation [2000-2001] | Sakano |
| Gundam 0083 | Operator |
| Gundam F-91 | Dwight Camry |
| Gundam Wing | Zechs Merquise |
| Gundam Wing Endless Waltz [1997] | Zechs Merquise |
| Gungrave [2003] | Lee |
| H2 | Hirota Katsutoshi |
| Haou Taikei Ryuu Knight {Adieu's Legend} | Ixus |
| Haou Taikei Ryuu Knight {Adieu's Legend II} | Dyuuma |
| Happy Moomin Family | Snapkin |
| Harlock Saga: The Ring of the Nibelung [1999] | Fasolt |
| Hellsing | Luke Valentine |
| High School Aurabuster | Shinobu |
| High School DxD [2012] | Raizer Phoenix |
| Hime-chan no Ribbon | Arisaka Sei |
| Hurricane Polymar OAV | Pulsar |
| Idol Boueitai Hummingbird | Petore |
| Idol Tenshi Youkoso Yoko {Episode 38} | Daichi |
| Initial D | Takahashi Ryousuke |
| Ishura [2024] | Jelki |
| Itsuka Tenma no Kuro Usagi [2011] | Bahlskra |
| Jigoku Shoujo | Honjou |
| Juubei Ninpouchou (Ninja Scroll) (TV) [2003] | Jyashi |
| Juuni Kokki [2002] | Keiki |
| Kaitou Saint Tail {Episode 5} | Dai |
| Kaleido Star | Fuuru |
| Kaleido Star | Fool |
| Kasho no Tsuki | Arimasa |
| Keppeki Danshi Aoyama-kun [2017] | Takechi Akira |
| Kidou Senshi Gundam Seed [2002] | Muu La Fraga |
| Kinsou no Vermeil [2022] | Obsidian |
| KO Seiki Beast Sanjuushi [1992] | Bud Mint |
| Koisento [2010] | Otouto |
| Kyattou Ninden Teyandee | Nekki |
| Kyoukaisenjou no Horizon [2011] | Shirojiro Beltoni |
| Legend of Galactic Heroes -The Golden Wings | Siegfried Kirchieis |
| Lemon Angel Project [2006] | Himuro |
| Locke the Superman | Dafnis |
| Loveless [2005] | Ritsu-sensei |
| Macross 7 | Gamrin |
| Macross Dynamite 7 | Gamrin |
| Mahoromatic -Motto utsukushii mono- [2003] | Ryuuga Tou |
| Mahoromatic [2001] | Ryuuga Tou |
| Mahou Tsukai Tai! | Aburatsubo Ayanojou |
| Mahou-sensei Negima (TV) [2005-2006] | Nagi Springfield |
| Majutsushi Orphen (Sorcerous Stabber Orphen) | Flameheart |
| Master Mosquiton | Mosquiton |
| Master Mosquiton '99 | Mosquiton |
| Mawaru Penguin Drum [2011] | Takakura Kenzan |
| Meitantei Conan (Detective Conan) {Episode 21} | Nachi Shingo |
| Meitantei Conan (Detective Conan) {Episode 129} | Shirakura |
| Meitantei Conan (Detective Conan) {episode 248} | Murakami Shirou |
| Minerva no Kenshi (Fencer of Minerva) | Shou |
| Misaki Chronicles (Divergence Eve Second Cool) | Jean Luc LeBlanc |
| Motto To LOVE Ru [2010] | Zastin Deviluke |
| Myself; Yourself | Wakatsuki Shuusuke |
| Nakoruru | Yantamuu |
| Nanako Kaitai Shinsho | Ogami Kyoji |
| Natsuiro Kiseki [2012] | Rinko's father |
| Nazca | Tate Masanari/Yawaru |
| Needless [2009] | Adam Blade |
| Nineteen [1990] | Yagi |
| Ninku {movie} | Asuka |
| Osakana ha Ami no Naka | Tanoura |
| Oshare Majo Love and Berry: Shiawase no mahou [2007] | Beruru |
| Overman King Gainer | Asuhamu |
| PLANETES [2003] | Yuri Mihilekov |
| Princess Nine | Takasugi Hiroki |
| Ragnarok The Animation [2004] | Keough/Hayes |
| Ranma 1/2 [1989-1992] | Daisuke |
| Ranma 1/2 [1989-1992] {movie 1} | Daikokusei |
| Re:Zero kara Hajimeru Isekai Seikatsu [2016] | Rosewall L. Mathers |
| Reirei | Dr. Okabe |
| Rekishi ni Nokoru Akujo ni Naruzo [2024] | Luke Seeker |
| Rou Kyuu Bu SS [2013] | Hasegawa Ginga |
| Rurouni Kenshin -Meiji Kenkaku Romantan- | Jinpuu |
| Rurouni Kenshin -Meiji Kenkaku Romantan- | Jinpu |
| Rurouni Kenshin -Meiji Kenkaku Romantan- {Ishinshishi he no Requiem} | Kajiki Sadashiro |
| Ryuuki Denshou | Randy |
| Saber Marionette J | Hanagata |
| Saber Marionette J Again | Hanagata Mitsurugi |
| Saber Marionette J to X | Hanagata |
| Saint October [2007] | Ash |
| Sakura Taisen | Kayama Yuuichi |
| Sakura Taisen New York NY [2007] | Kayama Yuuichi |
| Sakura Taisen The Movie [2001] | Kayama Yuuichi |
| Samurai 7 [2004] | Ukyo |
| Samurai 7 [2004] | Amanushi |
| Samurai Champloo [2004] | Umanosuke |
| Samurai Deeper Kyo | Hattori Hanzou |
| Samurai Deeper Kyo | Hotaru |
| Samurai Spirits | Tam Tam |
| Sayonara Zetsubou-sensei | Itoshiki Kei |
| SD Gundam | Knight Sazabi |
| SD Gundam Gaiden Seikihei Monogatari | GP01 |
| Seikai no Monshou/Crest of the Stars [1999] | Baron Febdash |
| Seiken Tsukai no World Break [2015] | Charles Saint Germain |
| Seiseki Densetsu -Legend of the Sacred Stone- | Sokanshin |
| Senkaiden Houshin Engi | Emperor Chou |
| Sentimental Journey {Episode 4} | young doctor |
| Shadow Skill | Kai Sink |
| Shaman King [2001] | Faust Diethel |
| Shin Hakkenden | Kai |
| Shin Hokuto no Ken (New Fist of the North Star) | Kenshiro |
| Shin Koihime Musou [2009] | Ukitsu |
| Shin Shirayukihime Densetsu Pretear [2001] | Tanaka |
| Shokugeki no Souma San no Sara [2017] | Dojima Gin |
| Shoujo Kakumei Utena | Kiryuu Touga |
| Shounan Jun'aigumi | Akutsu Junya |
| Shura no Toki | Amanushi |
| Shurato | Yasha-Oh Gai |
| Slayers | Rezo |
| Slayers | Copy Rezo |
| Slayers | Sanaffa |
| Slayers {Great} | Huey |
| Speed Grapher | Shirogane Katsuya |
| Spriggan | John Jockmond |
| Star Ocean EX | Dias Flac |
| Sword Art Online [2012] | Sugou Nobuyuki |
| Takahashi Rumiko Gekijou [2003] {Ep. 13} | Kogure Yuuji |
| Tekkaman Blade | Aiba Shinya (Tekkaman Evil) |
| Tenchi Muyou | Yosyo |
| Tensei shitara Slime datta ken [2018] | Clayman |
| Three Musketeers [debut] | Francois |
| To LOVE Ru [2008] | Zastin Deviluke |
| To LOVE Ru Darkness [2012] | Zastin Deviluke |
| Tokyo Babylon | Sakurazuka Seishiro |
| Tonari no Kaibutsu-kun [2012] | Mizutani Takashi |
| Toushinden | Kayin |
| Twin Signal | Pulse |
| Twin Spica | Takano (Lion-san) |
| V Gundam | Raior Sabato |
| Venus Project Climax [2015] | Coach |
| Violet Evergarden [2018] | Claudia Hodgins |
| Wedding Peach | Sandra |
| Weiss kreuz | Fujimiya Aya |
| Yakitate Japan | Kuroyanagi Ryou |
| Yes! PreCure 5 GoGo | Scorp |
| Yofukashi no Uta [2022] | Tonio |
| Yuukan Club | Bidou Granmanie |
| Yuuyuu Hakusho | Kido |
| Zetsuai 1989 | Takuto Izumi |