Surname Sou-Oua (Sou-Oua 
) , across the world, is quite a rare cognomen. The cognomen Sou-Oua is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, and France, where it is an extremely rare surname. Parts of the name also exists independently as a first name Sou, and a last name Oua.
| VARIANT | COUNTRY |
|---|---|
| Sou-Oua | Democratic Republic of the Congo, France |