Family name Нобуо (Nobuo 
, Нобуо 
) , all over the world, is quite a rare surname. The surname Нобуо is characteristic of Japan, where it is quite a rare surname, Taiwan, and Slovakia, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Eastern Asia, particularly Japan, China, and Taiwan. Much less frequently, Нобуо is the forename as well as the last name.