Yao Kazuki roles
Anime
Kazuki has done the following roles in anime.
| Akai Hayate | Da'te Ikkaku |
| Akazukin Chacha | Nezumi Kid |
| Amon: Apocalypse of Devilman | Seiros |
| Anpan-man {Episode 312} | Norihei |
| Arslan Senki | Giive |
| Bastard! | Dark Schneider |
| Battle Royal High school | Byoudo/Hyoutou Riki |
| Beast Wars | Starscream |
| Beast Wars Neo | Saberback |
| Betterman | Bodaiju |
| Birth [debut] | Jurugi Namu |
| Captain Tsubasa [1983-1986] | Heffner |
| Dancougar | Fujihara Shinobu |
| Elf 17 | K.K |
| Full Metal Alchemist (Hagane no Renkinjutsushi) | Yoki |
| Full Metal Alchemist (Hagane no Renkinjutsushi) | Yoki |
| Fuuma no Kojiro | Sigma |
| GTO [1999-2000] | Saejima Toshiyuki |
| Gundam ZZ | Jude Ashita |
| Hameln no Violin Hiki (movie) | Harmel |
| Hanada Shounenshi | Daijirou |
| High School Agent | Kanamori Kousuke |
| His name is Gold | Gold |
| Humanoid | Eric |
| Initial D | Iketani Kouichirou |
| Jankenman | Osodashi Kamen |
| Juubei Ninpouchou (Ninja Scroll) (TV) [2003] | Kawahori |
| Kindaichi Shounen no Jikenbo {Episode 120-121} | Terayama Juuzou |
| Kyoukara Oreha! | Tanikawa |
| Lamune & 40 | Da Cider |
| Lamune & 40 Fire [1996] | Da Cider |
| Le Deus | Riot |
| Legend of Crystania | Ovil |
| Legend of Crystania: The Chaos Ring | Orville |
| Madara | Seishinja |
| Master Mosquiton | Sangelman |
| Megazone 23 {part II} | Yahagi Shogo |
| Megazone 23 {part III} | Lester |
| Megazone 23 {part III} | Wang Dai |
| MIROKU | Miroku |
| Moeru! Oniisan | Kenichi |
| Monster [2004-2005] {Ep. 35} | imprisoned killer |
| Monster Farm [1999-2000] | Raiga |
| Muka Muka Paradise | Kenji |
| Nanatoshi Monogatari [1994] | Charles Colin Morbridge Junior |
| Nightwalker | Gimeru |
| One Piece [1999-] | Jungo |
| Pretty Sami (TV) | Kawai Ginji |
| Rance | Rance |
| Reideen [1996] | Kanna Seigetsu |
| Rokudenashi Blues 1993 | Nakada |
| Saint Seiya Omega [2012-2013] | Habinger |
| Samurai Gun | Onimaru |
| Sorceror on the Rocks | Shibas Scotch |
| Souryuuden | Mizuike (Mizuchi) Masahiko |
| Street Fighter II V | Fei Long |
| Sweet Valerian [2005] | Stress-dan |
| Tenjou Tenge [2004] | Tawara Bunshichi |
| Tokyo Vice | Touma Junpei |
| Top wo Nerae (Gunbuster) | Smith Toren |
| Twinkle Heart | J.J |
| Virus | Ryuu |
| Wedding Peach | Pluie |
| Wild 7 | Ryougoku |
| Wind Named Amnesia [1990] | Wataru |
| Yagami-kun no Katei no Jijou [1990] | Yagami Yuuji |
| Yaiba | Gekko |
| Youtouden | Oda Nobunaga |
| Z Gundam {Episode 42,48} | Gerts Capa |
Games
Kazuki has done the following roles in games.
| Dai 4 Ji Super Robot Taisen S [Playstation] | Judau Arshita |
| Dai 4 Ji Super Robot Taisen S [Playstation] | Fujiwara Shinobu |
| Der Langrisser [PC FX] | Lester |
| Earnest Evans [Mega Drive] | Earnest Evans |
| Langrisser I and II [Playstation] | Lester |
| Linda Cube [PC Engine] | Ken |
| Linda Cube [PC Engine] | Neku |
| Linda Cube Again [Playstation] | Ken |
| Puyo Puyo CD [PC Engine] | Satan |
| Puyo Puyo CD Tsuu [PC Engine] | Satan |
| Puyo Puyo CD Tsuu [PC Engine] | masked Satan |
| SD Gundam G Generation Spirits [PlayStation 2] | Judau |
| Spriggan mark 2 re-terrafoam project [PC-Engine] | Greg |
| Super Robot Taisen A Portable [PSP] | Judau Ashita |
| Super Robot Taisen F [PlayStation, Sega Saturn] | Judau |
| Super Robot Taisen F Kanketsuhen [PlayStation] | ? |
| Super Robot Taisen V [PS4, PS Vita] | Judau Ashita |
| Tales of the Abyss [PlayStation 2] | Dist |
| Tenshi no uta II: Datenshi no sentaku [PC-Engine] | Fate |
Drama
Kazuki has done the following roles in audio drama.
| Bastard [CD] | Dark Schneider |
| Hourai Gakuen no Hatsukoi! [CD] | Miwasaka Hyoue |
| Lamune & 40 DX [CD] | Da Cider |
| Madara -Ao Gilgamesh Saga [CD] {Vol 1} | Yudaya |
| Puyo Puyo [CT] | Satan |
| Puyo Puyo [CT] | Konekono Daiou |
| Yagami-kun no katei no jijou [CD] {vol 3} | Ultra Eight |
| Yagami-kun no katei no jijou [CD] {vol 3} | Yagami Yuuji |