Horikawa Ryo roles
Anime
Ryo has done the following roles in anime.
| Ameiro Cocoa sideG [2019] | Amami Kouji |
| Anime Sekai no Douwa [1995] {Episode 3} | prince |
| Anpan-man | Origamiman |
| Anpan-man | Tango |
| Bounty Hunter The Hard | Suzy |
| Delpower X Bakuhatsu Mirakuru Genki!! [1986] | ? |
| Dr. Slump | Charmy |
| Dragon Quest | Adonis |
| Dragonball Kai [2009-2010] | Vejiita |
| Dragonball Z | Vejiita |
| Eien no Aseria | Kouin |
| Eiji | Akagi Eiji |
| Fantasy Adventure Nagagutsu wo haita neko no bouken | Ivan |
| Five Star Stories | Amaterasu |
| Five Star Stories | Ladios Sopp |
| Getter Robo Gou | Marquis Narukis |
| Good Morning Althea | Garoly |
| GS Mikami [1994] | Yokoshima Tadao |
| GS Mikami the Movie [1994] | Yokoshima Tadao |
| Gundam 0083 | Kou Uraki |
| Handsome na Kanojo | ? |
| Himitsu no Akko-chan [1998] {Episode 23} | Di Caprio |
| Hokuto no Ken | Kou |
| Hokuto no Ken | young Kenshiro |
| Iczer Girl Iczelion | Kaos |
| Iron Leaguer | Ryuuken |
| Juuni Kokki [2002] | Shisei |
| Kaitou Saint Tail {Episode 18} | Misato |
| Kikansha Thomas | Henry |
| Kindaichi Shounen no Jikenbo | Tsukishima |
| Kindaichi Shounen no Jikenbo {Episode 13} | Kakimoto Asa? |
| Kindaichi Shounen no Jikenbo {Episode 64-67} | Ohno |
| The King of Burning Desert Gandalla [1998] {Episode 1,3} | secretary |
| Kishin Heidan [1993-1994] | Jack |
| Kizuna 2 | Sagano |
| Kyattou Ninden Teyandee | Michael |
| Lady Lady | Arthur |
| Legend of Galactic Heroes | Reinhard von Miihsel |
| Magical Taruruuto-kun [1990-1992] | Harako Tsutomu |
| Maison Ikkoku [1986-1988] {movie} | Nikaidou |
| Makeruna! Makendo | Doro |
| Meitantei Conan (Detective Conan) | Hattori Heiji |
| Meitantei Conan (Detective Conan) {Episode 6} | Katsuhiko |
| Miracle Girls | Takamura Masaki |
| Musashi no Ken | Musashi |
| Nanatoshi Monogatari [1994] | Ryu Wei |
| Nurse Angel Ririka SOS | Bross |
| Obatarian | Kunihiko |
| Offside | Satoh Shingo |
| Oss! Karate-bu | Saitou/Fukushima |
| Please Save My Earth | Yakushimaru Hokuto |
| Pocket Monsters {Episode 105} | Jigii |
| Sailor Moon {Episode 119} | Thomas |
| Saint Seiya [1985-1989] | Andromeda Shun |
| Sentimental Journey {Episode 2} | Inoue Ryuu |
| Shin Bikkuriman | Yamato Warrior |
| Shuten Douji | Shuten Doujirou |
| Slow Step | Kadomatsu Naoto |
| Space Fantasia 2001 Night {Harukanaru Chikyuu no uta} | Toby |
| Space Fantasia 2001 Night {Uchuu no koji} | Toby |
| Time Stranger | Mori Ranmaru |
| Toriko [2011-2013] {Episode 99} | Vegita |
| Touch [1985-1987] | Yoshida Takeshi |
| Transformers: Zone | Moon Raider |
| Vampire Princess Miyu | Yuzuki Kei |
| Wonderbeat S | Tetsuya |
| Yagami-kun no Katei no Jijou [1990] | Nimura |
| Yaiba | Onimaru Takeshi |
| Yousei Hime Rain | Zenshuuin Takuma |
| Yume Senshi Wingman [debut] | Hirono Kenta |
| Yuu + Gi + Ou [Yuugiou] {Episode 12,24} | Fuha Ryuuichi |
| Yuu + Gi + Ou [Yuugiou] {Episode 12} | ? |
Games
Ryo has done the following roles in games.
| Bloody Roar 2: Bringer of the New Age [PlayStation] | Long |
| Bloody Roar [PlayStation] | Long |
| Dai 4 Ji Super Robot Taisen S [Playstation] | Kou Uraki |
| Dairantou Smash Brothers DX [GameCube] | Captain Falcon |
| Death Bringer [PC Engine] | ? |
| Dragon Ball FighterZ [PS4, XB1, WIN] | Vejiita |
| Dragonball Z Budoukai [Playstation 2, Game Cube] | Vegeta |
| Dragonball Z Sparking! NEO [PlayStation 2] | Vegita |
| Dragonball Z Ultimate Battle 22 [Playstation] | Vejiita |
| Dragonball Z Ultimate Battle 22 [Playstation] | Gojiita |
| Earnest Evans [Mega Drive] | Zik |
| Favorite Dear Junpaku no Yogensha [Playstation] | Roch Las Flores |
| Friends Seishun no Kagayaki [Sega Saturn] | Endou Susumu |
| Golden Axe [PC Engine] | ? |
| GS Mikami (Ghost Sweeper Mikami) [PC Engine] | Yokoshima Tadao |
| Kunio no Oden [SFC] | Kunio |
| Kunio no Oden [SFC] | Godai |
| Kunio no Oden [SFC] | Sonokawa |
| Langrisser -Dramatic Edition- [Sega Saturn] | Ledin |
| Langrisser [PC Engine] | Ledin |
| Langrisser I and II [Playstation] | Ledin |
| Madou Monogatari I [PC Engine] | Nasu Grave |
| Makeruna Makendou Z [PC-FX] | Doro |
| Melty Cube [Windows] | Rigel |
| Meltylancer -Ginga Shoujo Keisatu 2086- [Sega Saturn] | Rigel |
| Meltylancer [Playstation] | Rigel |
| Meltylancer The 3rd Planet [PlayStation] | Rigeru |
| Monster Maker [PC Engine] | Erusaisu |
| Para Para Paradise [FM Towns, Windows] | Sho |
| Puyo Puyo CD [PC Engine] | Nasugureibu |
| Puyo Puyo CD Tsuu [PC Engine] | Nasugureibu |
| Puyo Puyo CD Tsuu [PC Engine] | Parara |
| Quiz no Hoshi [PC Engine] | ? |
| Sakura Taisen 2 [Sega Saturn, Dreamcast] | Percy |
| Shining Force Exa [PlayStation 2] | Lagunadaam III |
| Star Ocean Second Story [PlayStation] | Bowman Jean |
| Star Ocean Second Story [PlayStation] | Dias Flac |
| Super Robot Taisen A Portable [PSP] | Kou Uraki |
| Super Robot Taisen F Kanketsuhen [PlayStation] | ? |
| Super Smash Bros [Nintendo 64] | Captain Falcon |
| Tales of Destiny 2 [PlayStation 2, PSP] | Miktron |
| Tokimeki Memorial Irodori no Love Song [Playstation, Sega Saturn] | Kouji |
Drama
Ryo has done the following roles in audio drama.
| Alien Kaibyouden [CT] | Miyagi Tsukasa |
| Aoi Gakuen Playtime [?] | ? |
| Garland: Silent no Shou [CD] | Shido |
| GS Mikami [CD] | Yokoshima Tadao |
| GS Mikami Gokuraku Daisakusen!! [CD] | Yokoshima Tadao |
| Kimagure Orange Road Original [CD] | Kasuga Kyosuke |
| Landlock [CD] | Rodia |
| Lodoss Tou Senki [CD, CT] {Volume 1} | ? |
| Makeruna! Makendou [CD] | ? |
| Ring (CD Book) [CD] | Shimosawa Junji |
| Shining Force Exa [CD] | Lagunadarm III |
| Sotsugyou Crossworld [CD] | Shinjou Hayato |
| Wedding Dress ni Akai Bara [CD] | Tommy Akaiwa |
| Yankee Reppuutai [CD] | ? |