Last name Тосихару (Toshiharu 
, Тосихару 
) , across the world, is quite a rare cognomen. The family name Тосихару is characteristic of Japan, where it is quite a rare surname, Singapore, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Japan, China, and Singapore. Very seldom, Тосихару is the forename as well as the last name.