Last name Rossnagel (Rossnagel 
) , in the entire world, is a rare family name. The cognomen Rossnagel is habitual in Germany, where it is a rare surname, Canada, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rossnagel | Germany, United States, Argentina, Canada, Brazil |
| emma rossnagel researcher (ORCID 0000-0002-8371-1056) |
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| kai rossnagel researcher |
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| brian g. rossnagel researcher |
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