Cognomen Sefantsi (Sefantsi 
) , worldwide, is a very rare surname. The last name Sefantsi is habitual in Sub-Saharan Africa, particularly South Africa, where it is a very rare surname. Very seldom, Sefantsi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sefantsi | South Africa |