Cognomen Crepin-Yann-Rouslan (Crepin-Yann-Rouslan 
) , in all the world, is an extremely rare last name. Much more prevalently, Crepin-Yann-Rouslan is the forename as well as the last name. Parts of the name also exists independently as a first name Crepin, a first name Yann, and a first name Rouslan.
| VARIANT | COUNTRY |
|---|---|
| Crepin-Yann-Rouslan | Democratic Republic of the Congo |