Surname Schmitt-Rau (Schmitt-Rau 
) , in the world, is a very rare last name. The cognomen Schmitt-Rau 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 Schmitt, and a last name Rau.
| VARIANT | COUNTRY |
|---|---|
| Schmitt-Rau | Germany |