Surname Kouassy (Kouassy 
) , in all the world, is a rare last name. The surname Kouassy is habitual in Ivory Coast, where it is quite a rare surname, France, where it is a very rare surname, and Italy, where it is an extremely rare surname. Very seldom, Kouassy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kouassy | France, Italy, Ivory Coast, United States, Nigeria |