Ryo Okumoto (奥本亮, born May 24 1959 in Osaka, Japan) is a Japanese rock keyboardist, best known for his work with progressive rock group Spock's Beard. He joined the band in 1996 and has been a member ever since. When singer and keyboardist Neal Morse was in the band, Ryo played Hammond Organ and Mellotron on the albums. Now he has taken full keyboard duties, therefore playing synthesiser, especially the Minimoog. He resides in Los Angeles, California.
He has performed and recorded with numerous other artists, including GPS, and has released many solo albums.
After Neal Morse left, he also played the keyboards for hard rock/heavy metal band Eric Burdon & The New Animals in 1998, before Martin Gerschwitz (now Iron Butterfly) joined them.
He also worked with Phil Collins and Eric Clapton in other bands, and with the prog band K².