Surname Carein (Carein 
) , across the world, is a very rare last name. The surname Carein is characteristic of Belgium, where it is a rare surname, France, where it is an extremely rare surname, and the United States. Likewise, Carein is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carein | Philippines, France, United States, United Kingdom, Belgium |