Kazuko Yoshikawa was a Japanese voice actress active during the 1960s. One of her most notable roles was as the character Uran in the original 1963 television series Astro Boy. In addition to this iconic part, she had a role in the 1964 anime series Shōnen Ninja Kaze no Fujimaru, where she voiced the characters Tasuke and Choro. Her other anime credits from this period include roles in the 1963 film Wanwan Chūshingura, where she played the young deer Ron, and the 1967 film Shōnen Jack to Mahōtsukai, in which she voiced a small devil character.