Ryohei Odai (小田井 涼平 Odai Ryōhei?, born February 23, 1971 in Konohana-ku, Osaka and raised in Kawanishi, Hyogo) is a Japanese seiyu probably best known for providing the voice of Orga Sabnak in Gundam Seed and the role of Shuichi Kitaoka/Kamen Rider Zolda in Kamen Rider Ryuki.
- Kamen Rider Ryuki (live-action TV) as Shuichi Kitaoka / Kamen Rider Zolda
- Kamen Rider Ryuki Episode Final (live-action movie) as Shuichi Kitaoka / Kamen Rider Zolda
- Kamen Rider Ryuki Special: 13 Riders (live-action) as Shuichi Kitaoka / Kamen Rider Zolda
- Ultraseven X as Agent D
- Mobile Suit Gundam Seed (TV) as Orga Sabnak
- Mobile Suit Gundam Seed Destiny (TV) as Orga Sabnak (ep 20)
- Mobile Suit Gundam SEED: Special Edition as Orga Sabnak