Last name Roussianos (Roussianos 
) , all over the world, is a very rare family name. The surname Roussianos is habitual in Switzerland, where it is a rare surname, and Canada, where it is a very rare surname. Very seldom, Roussianos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roussianos | United States, Switzerland, Canada |