Ryō Hirohashi (広橋涼 Hirohashi Ryō?, born 5 August 1978) is a seiyū (voice actress) represented by Aoni Production talent agency. She originates from Nagaoka, Niigata and is a graduate of Ryukoku University. She is notable for voicing Miles "Tails" Prower in various medias since 2003.
- Alice Carroll in Aria The Animation
- Alouette in Megaman/Rockman Zero series
- Anya in Negima
- Ava in Maho Shojotai
- Chouji "Marucho" Marukura in Bakugan Battle Brawlers
- Kyou Fujibayashi in CLANNAD
- Koyuki Azumaya in Keroro Gunso (Sgt. Frog)
- Lorna Murasame in Shining Hearts
- Prairie in Rockman ZX
- Rakka in Haibane Renmei
- Reimi Sugimoto in Jojo's Bizarre Adventure: All-Star Battle (story mode menus and stage cameo)
- Rinna Kazamatsuri in Stellvia of the Universe
- Sora Naegino in Kaleido Star
- Suzune Shiratori in Pani Poni Dash!
- Isoka in One Piece
- Popora in One Piece: Unlimited Adventure
- Shirely Fennes in Tales of Legendia
- Youmu Konpaku in Koumajou Densetsu II: Stranger's Requiem (Touhou Project and Castlevania Fan-game)
- Zwei/Echo in Pandora Hearts
- Yutori Shiraishi in Akaneiro ni Somaru Saka
- Lily Shiraishi in Demon King Daimaou
- Luna in Pretty Soldier Sailor Moon Crystal
- Koumajou Densetsu II: Stranger's Requiem is the only project that was a fan project rather than official that she participated.
- Ryō Hirohashi is a member of the seiyū group "MORE PEACH SUMMER SNOW", alongside Chiwa Saitō, Mamiko Noto and Haruna Ikezawa. All four ladies voiced characters in the anime "Sgt. Frog."