Last name Okounou (Okounou 
) , across the world, is quite a rare surname. The cognomen Okounou is habitual in the Democratic Republic of the Congo, where it is quite a rare surname, Cameroon, where it is a rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Okounou | Democratic Republic of the Congo, Cameroon, Canada, France |