Cognomen Mpenga (Mpenga 
) , around the world, is a rare last name. The cognomen Mpenga is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname, South Africa, where it is a very rare surname, and Tanzania. Much less frequently, Mpenga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mpenga | France, Democratic Republic of the Congo, United Kingdom, South Africa, Tanzania |