Surname Restak (Restak 
) , around the world, is a very rare cognomen. The surname Restak is habitual in Serbia, where it is quite a rare surname, the United States, where it is an extremely rare surname, and Canada. Much less frequently, Restak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Restak | Serbia, United States, Canada |
| richard restak American neurologist, US (b. 1942) |
|