Family name Mapetja (Mapetja 
) , in all the world, is a rare last name. The last name Mapetja is habitual in Lesotho, where it is quite a rare surname, South Africa, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Mapetja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mapetja | United Kingdom, South Africa, Lesotho |