Surname Sawako (Sawako 
) , in all the world, is a very rare last name. The family name Sawako is characteristic of Spain, where it is a very rare surname, Thailand, where it is an extremely rare surname, and China. Much more frequently, Sawako is the forename as well as the last name.
Abe, Hirano, Matsuno, Shimizu, Kuronuma, Tsuzuki, Hayashi, Okamoto, Yoshida, Morikawa, Sugimoto, Nakamura, Ishikawa, Ishihara, Watanabe, Yamamoto, Yamauchi, Yokoyama, Matsumoto, Kobayashi, Takahashi, Nishikawa, Nonaka, Nakano, Tanaka, Kawase, Ito, Ono, Mori, Sato, Sumi, Chan, Kato, Kono, Kubo, Ward, Yamaguchi, Saito, Rimar, Graff, Nitao, Hirai, Inoue, Ishii, Otaki, Sadako, Sasaki, Suzuki, Chang, and Williamsen