Kazumi Watanabe (Japanese: 渡辺 香津美, Hepburn: Watanabe Kazumi, born October 14, 1953 in Tokyo) is a Japanese guitarist. Other guitarists such as Luke Takamura and Sugizo have cited him as an influence.

Watanabe learned guitar at the age of 12 from Sadanori Nakamure at the Yamaha Music School in Tokyo. He released his first album in 1971. In 1979, he formed a jazz rock band with some of Japan’s leading studio musicians, and recorded the album Kylyn. During that year, he toured with the pop band Yellow Magic Orchestra.