Cognomen Mphei (Mphei 
) , in all the world, is a very rare family name. The last name Mphei is habitual in Sub-Saharan Africa, particularly Lesotho, where it is quite a rare surname, and South Africa, where it is an extremely rare surname. Much less frequently, Mphei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mphei | South Africa, Lesotho |