Family name ヒトシ (Hitoshi 
, ヒトシ , Hitosi 
) , in all the world, is a common cognomen. The family name ヒトシ is habitual in Eastern Asia, particularly Japan, where it is quite a common surname, Mongolia, where it is quite a rare surname, and Hong Kong, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Japan, China, and Indonesia. Much less frequently, ヒトシ is the forename as well as the last name.