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 |
|---|---|
| Groffen | Australia, Netherlands, Spain, United States, Belgium |
| jacques groffen politician, NL (b. 1922) |
|
|
| thimo groffen researcher ORCID ID = 0000-0002-3094-9300 |
|
|
| fabian emiel groffen Ph. D. Universiteit van Amsterdam 2009 |
|
|
| john groffen Dutch diplomat |
|
|
| daniëlle a.i. groffen researcher |
|
|
| alexander j groffen researcher |
|