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Cognomen Roustas (Roustas
) , in all the world, is a rare family name. The surname Roustas is habitual in Greece, where it is quite a rare surname, Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Greece, Canada, and the United States. Very seldom, Roustas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roustas | Germany, United States, Canada, Greece |
Mr, Konstantin, Athanasios, Anastasios, Alexandros, Vasileios, Emmanouil, Vassilis, Nikolaos, Georgios, Politimi, Christos, Michalis, Carmela, Michail, George, Petros, Kostas, Stella, Markos, Zisis, Effie, Nikos, Lucas, Louis, Bobby, Nick, Bill, Mike, Jim, Panagiotis, and Konstantinos