Surname Yoshimasa (Yoshimasa 
) , in the entire world, is quite a rare family name. The family name Yoshimasa is habitual in Japan, where it is a rare surname, Belgium, where it is a very rare surname, and Spain. Not in comparison with a country's population, it is commonest in Japan, China, and Belgium. Very seldom, Yoshimasa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yoshimasa | France, Brazil, United States, Japan, China |