Cognomen Mthinayi (Mthinayi 
) , in all the world, is an extremely rare family name. The cognomen Mthinayi is characteristic of Sub-Saharan Africa, particularly South Africa, where it is an extremely rare surname. Likewise, Mthinayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mthinayi | South Africa |