In all the world, Lucio Juan (Lucio Juan 
) is a rare masculine first name. The given name Lucio Juan is habitual in Latin America and the Caribbean, particularly Peru, where it is a rare masculine name, and Chile, where it is a very rare masculine name. Very seldom, Lucio Juan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lucio Juan | Chile, Peru, Mexico, Ecuador, Spain |