Throughout the world, Mereu (Mereu 
, Merő, Мереу 
) is a rare epicene given name. The first name Mereu is characteristic of Italy, where it is a rare gender-neutral name, and Romania, where it is a rare masculine name. Much more prevalently, Mereu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mereu | Brazil, Italy, France, Romania, Germany |
| Мереу | Russia, Ukraine |