Cognomen גרגור (Gregor 
, גרגור 
) , throughout the world, is a common last name. The last name גרגור is habitual in Slovenia, where it is quite a common surname, Slovakia, and Cabo Verde (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United States, Germany, and Czechia. More prevalently, גרגור is the forename as well as the last name.