Family name Molenga (Molenga 
) , throughout the world, is quite a rare last name. The cognomen Molenga is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, South Africa, where it is a very rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Molenga | France, South Africa, Democratic Republic of the Congo |