Throughout the world, Juan Sergio (Juan Sergio 
) is quite a rare male given name. The first name Juan Sergio is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare boy's name, Cuba, where it is a rare masculine name, and Peru. Not in comparison with a country's population, it is commonest in Chile, Peru, and Spain. Very seldom, Juan Sergio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Juan Sergio | Peru, Spain, Chile, Mexico, Cuba |