Family name Yooko (Yooko 
) , worldwide, is an extremely rare last name. The family name Yooko is characteristic of Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname. Predominantly, Yooko is the forename as well as the last name.
Iha, Ohama, Umeda, Utida, Matsuo, Sawada, Suzuke, Suyama, Aihara, Kayano, Kimura, Raiche, Tanaka, Harano, Yamada, Sakurai, Konishi, Justiss, Yoshida, Tsuchiya, Fujikawa, Watanabe, Oride, Ikeda, Viude, Honda, Sato, Seki, Baba, Koga, Diaz, Tada, Noda, Hara, Iida, Oura, Yamazaki, Wada, Momoi, Shine, Cetra, Byrne, Kondo, Konno, Rocha, Dolis, Nitta, Hewey, Mayta, and Nishimura