In all the world, Mouyeni-Ngoungou (Mouyeni-Ngoungou 
) is an extremely rare unknown gender forename. Much more frequently, Mouyeni-Ngoungou is the last name as well as the forename. Parts of the name also exists independently as a last name Mouyeni, and a last name Ngoungou.
| VARIANT | COUNTRY |
|---|---|
| Mouyeni-Ngoungou | Democratic Republic of the Congo |