Cognomen Грегорио (Gregorio 
, Gregório 
, Грегорио 
) , in all the world, is a widespread family name. The cognomen Грегорио is habitual in Spain, where it is a common surname, Mexico, and Nicaragua, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Mexico, Spain, and Philippines. Also, Грегорио is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gregorio | Spain, Philippines, Peru, Argentina, Mexico |
| Gregório | Spain, Argentina, Portugal, United States, Brazil |
| Грегорио | Belarus, Russia, Kazakhstan |
Degregorio, Gergely, Greger, Gregers, Gregor, Gregorius, Gregorová, Gregory, Gregoryo, Grehorio, Grigalius, Grigor, Grigori, Grigorij, Grigory, Grzegorz, Grzesiek, Grzesiu, Grześ, Grégory, Hregorio, Krikor, Reijo, Řehoř, Řehořová, Γρηγόριος, Гжегож, Грег, Грегер, Грегор, Грегори, Грегорі, Грегоріо, Григор, Григорий, Григорій, Гриня, Гриша, Грыгоры, Крикор, Рейо, Рыгор, גרגורי, غريغور, غريغوري, გრიგოლი, グレガー, グレゴリー, 格雷戈里, and 格雷戈里奥