Surname Kamasu (Kamasu 
) , worldwide, is a rare family name. The family name Kamasu is characteristic of Japan, where it is a rare surname, Nigeria, where it is an extremely rare surname, and Philippines. In absolute terms, it is commonest in Japan, India, and Nigeria. Likewise, Kamasu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kamasu | Japan, India, Nigeria, Philippines |