Cognomen Мицуо (Mitsuo 
, Мицуо 
) , worldwide, is quite a common family name. The last name Мицуо is habitual in Japan, where it is quite a rare surname, Hong Kong, where it is a rare surname, and Malaysia. In absolute terms, the name is most common in Japan, China, and Indonesia. Likewise, Мицуо is the forename as well as the last name.