All over the world, Митсуо (Mitsuo 
, Митсуо 
) is a rare boy's forename. The first name Митсуо is habitual in Japan, where it is a rare male name, Bolivia, and Peru, where it is a very rare masculine name. In absolute terms, this name is the most popular in Japan, China, and the United States. Also, Митсуо is the last name as well as the forename.