Cognomen Сасаки (Sasaki 
, Tametoshi , Ujinobu ) , in the world, is a common surname. The family name Сасаки is characteristic of Paraguay, where it is quite a rare surname, Taiwan, and Japan. In absolute terms, the name is most common in Japan, Brazil, and the United States. Very seldom, Сасаки is the forename as well as the last name.