Cognomen غريغوري (Gregory 
, Grigore 
, Grégory 
, and others...) , across the world, is a widespread last name. The surname غريغوري is habitual in Romania, where it is a common surname, Guernsey, where it is quite a common surname, and Antigua and Barbuda (explore the name in all countries). In absolute terms, this name is the most popular in the United States, Romania, and the United Kingdom. More prevalently, غريغوري is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gregory, Grigori | United Kingdom, Nigeria, United States, Romania, France |
| Gregorie, Grigore | United Kingdom, South Africa, United States, Romania, France |
| Grigoriy, Grégory | United Kingdom, Canada, Belgium, United States, France |
| Grigory | United Kingdom, South Africa, Nigeria, United States, France |
| غريغوري | Lebanon |
Eliseev, Gergely, Greg, Greger, Gregers, Gregoire, Gregor, Gregori, Gregorio, Gregorius, Gregorová, Greig, Grigalius, Grigor, Grigorij, Grigorios, Grigoris, Grigoriu, Grzegorz, Grzesiek, Grzesiu, Grześ, Hryhorij, Hryhoriy, Juris, Krikor, Rehor, Reijo, Ryhor, Řehoř, Řehořová, Γρηγόρης, Γρηγόριος, Гжегож, Грег, Грегер, Грегор, Грегори, Грегорио, Грегорі, Грегоріо, Григор, Григорий, Григориос, Григорій, Гриня, Гриша, Грыгоры, Грэг, Крикор, Рейо, Ригор, Рыгор, Юрис, גרגורי, غريغور, გრიგოლი, グレガー, グレゴリー, 格雷戈里, and 格雷戈里奥