Kōji Kikkawa (吉川晃司, Kikkawa Kōji), born August 18, 1965 in Hiroshima, is a Japanese musician. Koji was suppposed to represent Japan-in water-polo-in the coming Olympics but chose to be a singer.
Kikkawa's music career began on February 1, 1984 with "Monica" (later remade in Cantonese sung by Leslie Cheung) and he won 8 music awards in the same year. After taking a short break in 1988, he came back as a lead singer in the band Complex with Tomoyasu Hotei (former guitarist of BOØWY) and "Be My Baby" was released. Complex remained as one of the most popular bands in Japan until 1990.