Cognomen Gregorio Gilberto (Gregorio Gilberto 
) , around the world, is an extremely rare surname. The last name Gregorio Gilberto is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Predominantly, Gregorio Gilberto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gregorio Gilberto | Ecuador, Chile, Peru |