Ryōtarō, Ryotaro, Ryoutarou or Ryohtaroh is a masculine Japanese given name. Notable people with the name include:
Ryotaro Azuma (1893–1983), Japanese physician and bureaucrat, Governor of Tokyo 1959 to 1967 , Japanese footballer , Japanese footballer , Japanese judoka , Japanese footballer Ryōtarō Okiayu (born 1969), Japanese voice actor Ryōtarō Shiba (1923–1996), Japanese author , Japanese actor and impressionist Ryōtarō Sugi (born 1944), Japanese singer and actor Ryotaro Tanose (born 1943), Japanese politician of the Liberal Democratic Party , Japanese footballer
Fictional characters Ryotaro Nogami (野上 良太郎), a character from Kamen Rider Den-O Ryotaro Dojima (堂島 良太郎), a character in Persona 4
See also Ryūtarō