Family name Ncosani (Ncosani 
) , in the world, is a very rare cognomen. The last name Ncosani is habitual in Sub-Saharan Africa, particularly South Africa, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ncosani | South Africa |
Mncedi, Kgotso, Thandikaya, and Thembisile