Surname ياماموتو (Yamamoto 
, Yamamuto 
, ياماموتو) , around the world, is a common cognomen. The surname ياماموتو is habitual in Japan, where it is quite a rare surname, Singapore, and Brazil. Measured by absolute frequency, it most frequently occurs in Brazil, Japan, and the United States. Very seldom, ياماموتو is the forename as well as the last name.