Cognomen Grygory (Григори 
, Grygory 
) , around the world, is a common last name. The cognomen Grygory is habitual in Armenia, where it is a widespread surname, Bulgaria, where it is a rare surname, and Poland, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Armenia, Russia, and Bulgaria. Very seldom, Grygory is the forename as well as the last name.