Surname Hirafuji (Hirafuji 
) , around the world, is quite a common cognomen. The surname Hirafuji is habitual in Japan, where it is quite a rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Hirafuji is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hirafuji | Brazil, Japan |