Family name Нобуясу (Nobuyasu 
, Tsugaru 
, Atagi 
) , in the entire world, is quite a rare last name. The last name Нобуясу is habitual in Japan, where it is quite a rare surname, Singapore, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Japan, the United States, and Canada. More frequently, Нобуясу is the forename as well as the last name.