Cognomen Juan Nazario (Juan Nazario 
) , throughout the world, is a very rare surname. The family name Juan Nazario is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Juan Nazario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juan Nazario | Chile, Peru, Bolivia, Ecuador, Spain |