Mitsuo Itoh (伊藤光夫, Itō Mitsuo, 1 January 1937 – 3 July 2019) was a Japanese motorcycle road racer. He started his Grand Prix career in 1961, and was active until 1967. He competed for Suzuki. He was a starter in 29 races, winning two and having a podium finish 13 times. He won the 1963 Isle of Man 50cc ultra-lightweight TT and the 1967 50cc Japanese Grand Prix (his final race).
Itoh died on 3 July 2019, at the age of 82.