Last name Гурьян (Гурьян 
, Gurian 
, Guryan ) , worldwide, is quite a rare cognomen. The surname Гурьян is characteristic of Belarus, where it is quite a rare surname, Italy, where it is a rare surname, and Brazil. Measured by absolute frequency, this name is the most popular in the United States, Italy, and Brazil. Much less frequently, Гурьян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Гурьян | Kazakhstan, Belarus, Ukraine, Russia |
| Gurian | Italy, Brazil, United States, India, Germany |
| Guryan | United States, India, Russia, Brazil |
| Gourian | United States, India, Argentina, Israel |