Last name Toyokazu (Toyokazu 
) , around the world, is a rare surname. The family name Toyokazu is characteristic of Japan, where it is a rare surname, Cambodia, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Japan, China, and Cambodia. More frequently, Toyokazu is the forename as well as the last name.