Globally, Hamasu (Hamasu 
) is a rare gender-neutral given name. The forename Hamasu is characteristic of Nigeria, where it is a very rare epicene name, and India, where it is an extremely rare unisex name. Likewise, Hamasu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hamasu | Paraguay, Brazil, India, Nigeria, United States |