Last name Газанчян (Газанчян 
, Gazanchyan 
, Gazanchian 
) , around the globe, is a rare cognomen. The surname Газанчян is characteristic of Russia, where it is a rare surname, Georgia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Russia, the United States, and Ukraine. More frequently, Газанчян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Газанчян | Ukraine, Armenia, Russia |
| Gazanchyan | United States, Russia |
| Gazanchian | Georgia |
| Gazantchian | United States |