Cognomen Roussak (Roussak 
) , in the entire world, is a very rare surname. The cognomen Roussak is habitual in the United Kingdom, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Roussak | Canada, United Kingdom, United States |
| neville jack roussak b.2 February 1922 d.1 March 2012 (b. 1922) |
|