Family name Roßnagel-Tullenaar (Roßnagel-Tullenaar 
) , worldwide, is an extremely rare cognomen. The last name Roßnagel-Tullenaar 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 Roßnagel, and a last name Tullenaar.
| VARIANT | COUNTRY |
|---|---|
| Roßnagel-Tullenaar | Germany |