Cognomen Bayoune (Bayoune 
) , in all the world, is an extremely rare family name. The surname Bayoune is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Bayoune is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bayoune | Democratic Republic of the Congo, United States |