Family name Butsu (Butsu 
, Буцу 
, บูสู 
) , in the world, is quite a rare cognomen. The cognomen Butsu is habitual in Japan, where it is quite a rare surname, Zimbabwe, and Georgia, where it is a rare surname. Measured by absolute frequency, the name is most common in Japan, Zimbabwe, and Thailand. Very seldom, Butsu is the forename as well as the last name.