Family name Mariana Gladys (Mariana Gladys 
) , throughout the world, is an extremely rare last name. The family name Mariana Gladys is characteristic of Chile, where it is a very rare surname, and Spain, where it is an extremely rare surname. More frequently, Mariana Gladys is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mariana Gladys | Chile, Peru, Ecuador, Spain, Costa Rica |