Last name Guillermo Liborio (Guillermo Liborio 
) , around the world, is an extremely rare surname. The last name Guillermo Liborio is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Guillermo Liborio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guillermo Liborio | Ecuador, Chile |