Family name Tourosian (Tourosian 
) , in the entire world, is an extremely rare cognomen. The surname Tourosian is habitual in Northern America, particularly Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Tourosian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tourosian | Canada, United States |