Surname Careu (Carré 
, Careu 
) , throughout the world, is quite a rare last name. The cognomen Careu is characteristic of Mauritius, where it is quite a rare surname, France, and Luxembourg. Not in comparison with a country's population, this name is the most popular in France, Belgium, and Afghanistan. Very seldom, Careu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carré | France, Spain, Belgium, Afghanistan, Mauritius |
| Careu | Brazil, United States, India |