Surname Koehoorn (Koehoorn 
) , around the globe, is a rare cognomen. The family name Koehoorn is characteristic of Netherlands, where it is quite a rare surname, Belgium, where it is a very rare surname, and Canada. Much less frequently, Koehoorn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koehoorn | Belgium, Spain, United States, Canada, Netherlands |
| mieke koehoorn researcher |
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| s. koehoorn |
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| dennis koehoorn (b. 1982) |
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