Cognomen Torrossian (Torrossian 
) , all around the world, is an extremely rare family name. The family name Torrossian is characteristic of France, where it is an extremely rare surname, Canada, and Argentina. Not in comparison with a country's population, it most frequently occurs in France, Brazil, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Torrossian | Brazil, France, Canada, Argentina |