Cognomen Groffen (Groffen 
) , in the entire world, is a rare family name. The family name Groffen is habitual in Netherlands, where it is quite a rare surname, Belgium, where it is a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Groffen | Australia, United States, Spain, Belgium, Netherlands |
| jacques groffen politician, NL (b. 1922) |
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| thimo groffen researcher ORCID ID = 0000-0002-3094-9300 |
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| fabian emiel groffen Ph. D. Universiteit van Amsterdam 2009 |
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| john groffen Dutch diplomat |
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| daniëlle a.i. groffen researcher |
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| alexander j groffen researcher |
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