Cognomen Brauk (Браук 
, Brauk 
) , in all the world, is a very rare last name. The last name Brauk is habitual in Russia, where it is a very rare surname, Germany, and Canada, where it is an extremely rare surname. Much less frequently, Brauk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Браук | Russia |
| Brauk | Germany, Russia, United States, Canada |
| m. van brauk |
|