Surname Mboungou-Kiongo (Mboungou-Kiongo 
) , in the world, is a rare last name. The cognomen Mboungou-Kiongo is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname. Parts of the name also exists independently as a last name Mboungou, and a last name Kiongo.
| VARIANT | COUNTRY |
|---|---|
| Mboungou-Kiongo | Democratic Republic of the Congo |