Surname Mmolayeng (Mmolayeng 
) , in the world, is a very rare last name. The surname Mmolayeng is characteristic of Sub-Saharan Africa, particularly South Africa, where it is a very rare surname. More frequently, Mmolayeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mmolayeng | South Africa |