Last name Clem-Rostand (Clem-Rostand 
) , throughout the world, is an extremely rare surname. Much more frequently, Clem-Rostand is the forename as well as the last name. Parts of the name also exists independently as a first name Clem, and a first name Rostand.
| VARIANT | COUNTRY |
|---|---|
| Clem-Rostand | Democratic Republic of the Congo |