Last name Ямаути (Yamauchi 
, Ямаути 
) , in the world, is quite a rare cognomen. The surname Ямаути is characteristic of Lithuania, where it is a rare surname, Hong Kong, and Japan. Not in comparison with a country's population, it most frequently occurs in the United States, Brazil, and Japan. Very seldom, Ямаути is the forename as well as the last name.