Ryo Horikawa (堀川 りょう, Horikawa Ryou) is a veteran voice actor born on February 1, 1958 in Osaka, Japan. He is married to fellow voice actress Oikawa Hitomi, whose natal name is also Horikawa. His former stage name was also Ryo Horikawa, albeit written 堀川亮 (same as his given name, Horikawa Makoto, but pronounced as Ryo). He changed the writing of his name to the present on April 3, 2001. He is the current representative director of talent agency Aslead Company. Horikawa started out as a child actor in elementary school. He made his debut in voice acting as the protagonist of the 1984 anime Yume Senshi Wingman. From there, he became famous for his roles as Andromeda Shun in Saint Seiya, Vegeta in Dragon Ball Z, Heiji Hattori (Harley Hartwell) in Detective Conan (Case Closed), and Reinhard in Legend of the Galactic Heroes. During his early years as voice actor he belonged to Aoni Production and later アーク・ライツ before joining with Aslead Company where he became representative director.
| Series | 聖闘士星矢-海皇篇(1989) | Shun (voice) | 2026 |
| Series | 聖闘士星矢-北欧篇(1988) | Shun (voice) | 2026 |
| Series | 聖闘士星矢-教皇刺客篇 | Shun (voice) | 2026 |
| Movie | Mononoke the Movie: Chapter II - The Ashes of Rage | Fujimaki (voice) | 2025-03-14 |
| Movie | Case Closed: The Million-Dollar Pentagram | Helji Hattori (voice) | 2024-04-12 |
| Movie | Dragon Ball Z Kai | Vegeta (voice) (archive footage) | 2024-06-20 |
| Movie | Hairpin Double | Ken Horibe / Race Control (voice) | 2022-03-25 |
| Movie | Kamen Rider Geats × Revice: Movie Battle Royale | バリデロ (voice) | 2022-12-23 |
| Movie | Dragon Ball Super: Super Hero | Vegeta (voice) | 2022-06-11 |
| Movie | Detective Conan: Kaiju Gomera vs. Kamen Yaiba | Heiji Hattori (voice) | 2022-01-07 |
| Series | Circlet Princess | Siegfried (voice) | 2019-01-08 |
| Movie | Detective Conan: The Scarlet School Trip | Heiji Hattori (voice) | 2019-11-22 |
| Movie | Dragon Ball Super: Broly | Vegeta (voice) | 2018-12-14 |
| Series | Pop Team Epic | Pipimi (voice) | 2018-01-07 |
| Series | Super Dragon Ball Heroes | Vegeta / Xeno Vegeta (voice) | 2018-07-01 |
| Movie | Dragon Ball Z: The Real 4-D at Super Tenkaichi Budokai | Vegeta (voice) | 2017-06-30 |
| Movie | Case Closed: The Crimson Love Letter | Heiji Hattori (voice) | 2017-04-15 |
| Movie | Detective Conan: Episode One - The Great Detective Turned Small | Heiji Hattori (voice) | 2017-01-20 |
| Movie | Dragon Ball Z: The Real 4-D | Vegeta (voice) | 2016-07-01 |
| Movie | Dragon Ball Z: Resurrection ‘F’ - Future Trunks Special Edition | Vegeta | 2016-08-27 |
| Series | Rainy Cocoa | Kouji Amami (voice) | 2015-04-05 |
| Series | Dragon Ball Super | Vegeta (voice) | 2015-07-05 |
| Movie | Dragon Ball Z: Resurrection 'F' | Vegeta (voice) | 2015-04-18 |
| Movie | Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!! | Vegeta (voice) | 2013-04-07 |
| Movie | Detective Conan: Private Eye in the Distant Sea | Heiji Hattori (voice) | 2013-04-19 |
| Series | Maoyu: Archenemy & Hero | Old wise man (voice) | 2013-01-05 |
| Movie | Dragon Ball Z: Battle of Gods | Vegeta (voice) | 2013-03-30 |
| Series | Hikonin Sentai Akibaranger | Tsu Shogun | 2012-04-06 |
| Movie | Legend of the Galactic Heroes Chapter 1 Sho Ginga Teikoku Hen | 2011-04-22 | |
| Movie | Detective Conan OVA 11: A Secret Order from London | Heiji Hattori (voice) / Takafumi Fukawa (voice) | 2011-04-13 |
| Movie | Asakusa Daydreams | 2011-09-03 | |
| Movie | Samurai Sentai Shinkenger vs. Go-Onger: Silver Screen BANG!! | Akumaro Sujigaran (voice) | 2010-01-30 |
| Movie | Samurai Sentai Shinkenger Final Live Tour 2010 | Akumaro Sujigarano (voice) | 2010-04-18 |
| Movie | Dragon Ball Z: Plan to Eradicate the Super Saiyans | Vegeta (voice) | 2010-11-11 |
| Movie | はじめましてトーマスシリーズ トーマスとこうざんてつどうのなかまたち | 2010-08-18 | |
| Movie | Detective Conan: The Lost Ship in the Sky | Heiji Hattori (voice) | 2010-04-17 |
| Series | Samurai Sentai Shinkenger | Akumaro Sujigarano | 2009-02-15 |
| Series | Dragon Ball Z Kai | Vegeta (voice) | 2009-04-05 |
| Movie | Detective Conan: The Raven Chaser | Heiji Hattori (voice) | 2009-04-18 |
| Movie | Dragon Ball: Yo! Son Goku and His Friends Return!! | Vegeta (voice) | 2008-09-21 |
| Series | Kenichi: The Mightiest Disciple | Natsu Tanimoto (voice) | 2006-10-07 |
| Movie | Detective Conan: The Private Eyes' Requiem | Heiji Hattori (voice) | 2006-04-15 |
| Series | Eien no Aseria - Spirit of Eternity Sword | 碧光陰 | 2005-06-24 |
| Movie | Saint Seiya Heaven Chapter: Overture | Shun (voice) | 2004-02-14 |
| Series | Body Transfer | Aoshima Ken'ichi (voice) | 2003-12-21 |
| Series | Ashita no Nadja | Antonio Fabiani | 2003-02-02 |
| Series | Knights of the Zodiac | 2003-08-30 | |
| Movie | Detective Conan: Crossroad in the Ancient Capital | Heiji Hattori (voice) | 2003-04-19 |
| Series | Saint Seiya: The Hades Chapter | Andromeda Shun (voice) | 2002-11-09 |
| Movie | A.LI.CE | Nero (voice) | 1999-08-01 |
| Movie | Detective Conan: The Last Wizard of the Century | Heiji Hattori (voice) | 1999-04-17 |
| Movie | Dr. Slump: Arale's Surprise Bang | Nikochan's Servant (voice) | 1999-03-06 |
| Series | TRIGUN | E.G. Mine (voice) | 1998-04-02 |
| Series | Legend of the Galactic Heroes Gaiden | Reinhard von Lohengramm (voice) | 1998-02-09 |
| Series | Sentimental Journey | Unknown | 1998-04-09 |
| Series | B-Fighter Kabuto | Pineappler (voice) | 1996-03-03 |
| Movie | Ultraman Super Fighter Legend | Ultraman Taro / Zetton (voice) | 1996-09-25 |
| Series | Detective Conan | Unknown | 1996-01-08 |
| Series | Dragon Ball GT | Vegeta (voice) | 1996-02-07 |
| Movie | Dragon Ball Z: Fusion Reborn | Vegeta / Gogeta / Veku (voice) | 1995-03-04 |
| Series | Saint Tail | Unknown | 1995-10-12 |
| Movie | Don't Lose, Makendo! | Doro (Voice) | 1995-03-24 |
| Series | Nurse Angel Ririka SOS | Bross | 1995-07-07 |
| Movie | Dragon Ball Z: Wrath of the Dragon | Vegeta (voice) | 1995-07-15 |
| Movie | Elf Princess Ren | 1995-10-27 | |
| Movie | Crows | 1994-01-28 | |
| Movie | Tamio Kageyama's Double Fantasy | Boku (voice) | 1994-01-02 |
| Series | Seven Cities Story: Arctic Front | Wei Liu (voice) | 1994-06-22 |
| Series | Homeroom Affairs | Koichi (voice) | 1994-08-26 |
| Movie | Ghost Sweeper Mikami | Tadao Yokoshima (voice) | 1994-12-04 |
| Series | Kizuna | Sagano Kai | 1994-08-12 |
| Movie | Dragon Ball Z: Broly - The Legendary Super Saiyan | Vegeta (voice) | 1993-03-06 |
| Movie | Dragon Ball Z: The History of Trunks | Vegeta (voice) | 1993-02-24 |
| Series | Miracle Girls | Masaki Takamura (voice) | 1993-01-08 |
| Series | Shippuu! Iron Leaguer | Ryuuken | 1993-04-06 |
| Series | Please Save My Earth | Hokuto Yakushimaru (voice) | 1993-12-17 |
| Series | Aoki Densetsu Shoot! | Makoto Saiki | 1993-11-07 |
| Series | Legendary Brave Swordsman Yaiba | Takeshi Onimaru (voice) | 1993-04-09 |
| Movie | Dragon Ball Z Side Story: Plan to Eradicate the Saiyans | Vegeta (voice) | 1993-09-23 |
| Movie | Legend of the Galactic Heroes: Overture to a New War | Reinhard von Lohengramm | 1993-12-18 |
| Movie | Rokudenashi Blues 1993 | 1993-07-24 | |
| Series | Ghost Sweeper GS Mikami | Tadao Yokoshima | 1993-04-11 |
| Movie | Dragon Ball Z: Bojack Unbound | Vegeta (voice) | 1993-07-10 |
| Series | Adventures of Puss-in-Boots | 1992-04-01 | |
| Movie | Dragon Ball Z: The Return of Cooler | Vegeta (voice) | 1992-03-07 |
| Movie | Dragon Ball Z: Super Android 13! | Vegeta (voice) | 1992-07-11 |
| Movie | Mobile Suit Gundam 0083: Afterglow of Zeon | Kou Uraki (voice) | 1992-08-29 |
| Movie | Rokudenashi BLUES | Yoneji Sawamura (voice) | 1992-07-11 |
| Movie | Candy Candy: The Movie | Brown, Anthony | 1992-04-25 |
| Movie | Ziggy: Soreyuke! R&R Band | Nick | 1991-07-12 |
| Movie | Preventing the kidnapping of elementary school student Yumi | Rick | 1991-05-21 |
| Series | Slow Step | Naoto Kadomatsu | 1991-06-01 |
| Series | Mobile Suit Gundam 0083: Stardust Memory | Kou Uraki (voice) | 1991-05-23 |
| Movie | Willful Idol | Naoto (voice) | 1990-02-25 |
| Series | Yagami's Family Affairs | Futamura | 1990-05-25 |
| Series | Samurai Pizza Cats | Michael | 1990-02-01 |
| Movie | Eiji | Eiji Akagi | 1990-08-25 |
| Series | Magical Taluluto | Tsuyoshi Harako (voice) | 1990-09-02 |
| Movie | Dragon Ball Z: Bardock - The Father of Goku | Vegeta (voice) | 1990-10-17 |
| Series | Heavenly Chronicles | 1990-10-24 | |
| Movie | Kennosuke-sama | Biker A (voice) | 1990-07-07 |
| Movie | Far East of Eden: Ziria's Dreamlike Chapter | 1990-07-27 | |
| Movie | The Five Star Stories | Ladyos Soap / Amateras no Mikado | 1989-03-11 |
| Movie | Saint Seiya: Warriors of the Final Holy Battle | Shun (voice) | 1989-03-18 |
| Series | Shuten Doji - The Star Hand Kid | 手天童子 | 1989-12-21 |
| Series | Dragon Ball Z | Vegeta (voice) | 1989-04-26 |
| Movie | Demon Hunter Makaryūdo | Sawaguchi (voice) | 1989-11-08 |
| Movie | Crying Freeman 2: Shades of Death, Part 1 | Yang (voice) | 1989-08-01 |
| Movie | Saint Seiya: The Heated Battle of the Gods | Shun (voice) | 1988-03-12 |
| Movie | Lady Lady!! The Movie | (voice) | 1988-03-13 |
| Movie | Legend of the Galactic Heroes: My Conquest Is the Sea of Stars | Reinhard von Lohengramm | 1988-02-06 |
| Movie | Maison Ikkoku: The Final Chapter | Nozomu Nikaido | 1988-11-06 |
| Series | Vampire Princess Miyu | Kei Yuzuki (voice) | 1988-07-21 |
| Series | Legend of the Galactic Heroes | Reinhard von Lohengramm (voice) | 1988-12-01 |
| Series | Crying Freeman | Yang (voice) | 1988-11-25 |
| Movie | Saint Seiya: Legend of Crimson Youth | Shun (voice) | 1988-07-23 |
| Movie | Xanadu: Legend of Dragonslayer | Fieg | 1988-08-03 |
| Movie | I'm All Yours | Rokurou Chikanaka | 1987-03-27 |
| Movie | Space Fantasia 2001 Nights | Toby | 1987-06-21 |
| Movie | Lullaby for Wednesday's Cinderella | Kenji Hishiki (voice) | 1987-08-01 |
| Movie | Good Morning Althea | Garorii (voice) | 1987-12-16 |
| Series | Lady Lady!! | アーサー・ドレイク・ブライトン | 1987-10-21 |
| Movie | Ganbare! Kickers: Bokutachi no Densetsu | Shintarō Horie | 1987-08-21 |
| Movie | Saint Seiya: Evil Goddess Eris | Shun (voice) | 1987-07-18 |
| Movie | Seito Shokun! Kokoro ni Midori no Neckerchief wo | (voice) | 1986-02-23 |
| Series | Saint Seiya | Shun (voice) | 1986-10-11 |
| Movie | Delpower X Bakuhatsu Miracle Genki! | Yousuke Miyamoto | 1986-12-21 |
| Movie | Pelican Road Club Culture | Kenichi Watanabe | 1986-06-21 |
| Movie | Space-Time Traveler - Time Stranger | 1986-12-20 | |
| Movie | Bobby's Girl | Sachio Kubota (voice) | 1985-03-09 |
| Series | Touch | Takeshi Yoshida (voice) | 1985-03-24 |
| Series | Konpora Kid | ヨー | 1985-06-03 |
| Series | Musashi no Ken | 夏木六三四 | 1985-04-18 |
| Movie | Lunn Flies into the Wind | Classmate (voice) | 1985-04-13 |
| Series | Elves of the Forest | Seppo / Lasse | 1984-10-05 |
| Series | Sherlock Hound | Thal (voice) | 1984-11-06 |
| Series | Dream Fighter Wingman | Kenta Hirono / Wingman (voice) | 1984-02-07 |
| Series | Kamen Rider | Himself | 1971-04-03 |
| Movie | Drunken Harbor | Boy | 1966-12-24 |
| Movie | Zatoichi and the Chess Expert | 1965-12-24 |