Cognomen Сакагути (Niichiro 
, Heibei 
, Sakaguchi 
) , in the entire world, is quite a rare surname. The last name Сакагути is habitual in Papua New Guinea, where it is quite a rare surname, Japan, where it is a rare surname, and Taiwan. In absolute terms, it most frequently occurs in Japan, Brazil, and the United States. More frequently, Сакагути is the forename as well as the last name.