Last name Bernhardt-Matthae (Bernhardt-Matthae 
) , across the world, is an extremely rare cognomen. The cognomen Bernhardt-Matthae is characteristic of Western Europe, particularly Germany, where it is an extremely rare surname. Parts of the name also exists independently as a last name Bernhardt, and a last name Matthae.
| VARIANT | COUNTRY |
|---|---|
| Bernhardt-Matthae | Germany |