Cognomen Carleb (Carleb 
) , in the world, is an extremely rare last name. The cognomen Carleb is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More frequently, Carleb is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carleb | South Africa, Brazil, Venezuela, United States, France |