Cognomen Gnakadja (Gnakadja 
) , in all the world, is a rare last name. The cognomen Gnakadja is habitual in Benin, where it is quite a rare surname, Senegal, where it is a rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gnakadja | France, Senegal, United States, Benin |