Surname Sphenathi (Sphenathi 
) , globally, is an extremely rare family name. The last name Sphenathi is habitual in Sub-Saharan Africa, particularly South Africa, where it is an extremely rare surname. More frequently, Sphenathi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sphenathi | South Africa |
Sphe, Nathi, Mdabuka, Mhlakaphalo, Simkana, Sphello, Gqalaqha, Ngqinambi, and Jongumlilo