Cognomen Cristian Gregorio (Cristian Gregorio 
) , in all the world, is a very rare family name. The last name Cristian Gregorio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Cristian Gregorio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cristian Gregorio | Argentina, Costa Rica, Ecuador, Chile, Peru |