Cognomen Sewasew (Sewasew 
) , globally, is quite a rare family name. The last name Sewasew is habitual in Sub-Saharan Africa, particularly Ethiopia, where it is quite a rare surname. Very seldom, Sewasew is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sewasew | United Kingdom, Ethiopia, United States |