Cognomen Petersen-Braun (Petersen-Braun 
) , in the world, is a very rare family name. The last name Petersen-Braun is habitual in Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Petersen, and a last name Braun.
| VARIANT | COUNTRY |
|---|---|
| Petersen-Braun | Germany |