Cognomen Masakazu (正和 
, Masakazu 
, マサカズ , along with others...) , in all the world, is a common last name. The last name Masakazu is characteristic of Japan, where it is quite a common surname, Taiwan, where it is a rare surname, and Singapore. Not in comparison with a country's population, it most frequently occurs in Eastern Asia, particularly Japan, China, and Taiwan. Very seldom, Masakazu is the forename as well as the last name.