Family name Торосян (Торосян 
, Torosyan 
, Torosian 
) , in all the world, is a common surname. The cognomen Торосян is habitual in Armenia, where it is quite a common surname, Georgia, where it is quite a rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Russia, the United States, and Armenia. Also, Торосян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Торосян | Bulgaria, Ukraine, Belarus, Armenia, Russia |
| Torosyan | Georgia, Bulgaria, United States, Armenia, Russia |
| Torosian | Georgia, Canada, United States, Armenia, Russia |
| Torosjan | Germany, Netherlands, Brazil, United States, Estonia |
|
ованес торосян Bulgarian actor, director and playwright of Armenian origin, BG (b. 1986) |
|
| торосян, вардан григорьевич Russian philosopher, RU (b. 1948) |
|
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| софья торосян Armenian actress, RU (b. 1980) |
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