Cognomen Гргорий (Grgory 
, Гргорий 
) , worldwide, is a rare last name. The surname Гргорий is habitual in Belgium, where it is a rare surname, France, where it is a very rare surname, and Myanmar. More prevalently, Гргорий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grgory | Belgium, Nigeria, France, United States, Myanmar |
| Гргорий | Russia |