Cognomen Sumasafu (Sumasafu 
) , in the entire world, is a very rare family name. The last name Sumasafu is habitual in Melanesia, particularly Fiji, where it is quite a rare surname. Very seldom, Sumasafu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumasafu | Fiji, New Zealand |