Around the globe, Mariana Laura (Mariana Laura 
) is a rare predominantly female, but very seldom masculine first name. The first name Mariana Laura is characteristic of Romania, where it is a rare dominantly feminine, but infrequently male name, Uruguay, where it is a rare feminine name, and Bolivia. In absolute terms, the name is most common in Romania, Argentina, and Bolivia. Very seldom, Mariana Laura is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mariana Laura | Romania, Argentina, Bolivia, Ecuador, Chile |