Throughout the world, Juan Nazario (Juan Nazario 
) is a rare male given name. The first name Juan Nazario is habitual in Latin America and the Caribbean, particularly Peru, where it is a rare masculine name, Bolivia, and Chile. Much less frequently, Juan Nazario is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Juan Nazario | Chile, Peru, Bolivia, Ecuador, Spain |