Throughout the world, Mazariegos (Mazariegos 
) is a rare epicene first name. The first name Mazariegos is characteristic of Guatemala, where it is quite a rare unisex name, and the United States, where it is an extremely rare gender-neutral name. Much more frequently, Mazariegos is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mazariegos | Guatemala, Spain, Mexico, Honduras, United States |