Cognomen Масакадзу (Masakazu 
, Масакадзу 
) , in the entire world, is quite a rare last name. The last name Масакадзу is characteristic of Japan, where it is a rare surname, Taiwan, and Singapore. In absolute terms, this name is the most popular in Eastern Asia, particularly Japan, China, and Taiwan. Likewise, Масакадзу is the forename as well as the last name.