Last name Koerfgen (Koerfgen 
) , worldwide, is a rare family name. The last name Koerfgen is characteristic of Germany, where it is a rare surname, Georgia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Much less frequently, Koerfgen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koerfgen | Georgia, Canada, Germany, Spain |