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Family name Yuuko (ユウコ , Yuuko , Юко ) , in the entire world, is a widespread last name. The surname Yuuko is characteristic of Japan, where it is a common surname, Kazakhstan, where it is quite a rare surname, and Sudan, where it is a rare surname.
Li, Morita, Suzuki, Breese, Tanaka, Takeda, Furuya, Iizuka, Arikawa, Amamiya, Heinlein, Feletto, Furuzawa, Yoshida, Mizumoto, Murakami, Hasegawa, Igarashi, Ichihara, Yamanaka, Goicochea, Takahashi, Mabrey, Okano, Honda, Nyoha, San, Kai, Lee, Tab, Ota, Sato, Souh, Chan, Etsu, Hara, Nakanishi, Haga, Itou, Itoh, Ooie, Ooki, Wong, Quan, Miura, Kanoe, Kader, Tanno, Idaa, and Lanzilloti