Surname Gregorio Ismael (Gregorio Ismael 
) , globally, is an extremely rare family name. The last name Gregorio Ismael is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Gregorio Ismael is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gregorio Ismael | Peru, Chile, Mexico, Ecuador |