Cognomen Koppelaar (Koppelaar 
) , all over the world, is a rare last name. The surname Koppelaar is habitual in Netherlands, where it is quite a rare surname, Belgium, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Koppelaar | Netherlands, Belgium, Spain, Canada, United Kingdom |
|
frans koppelaar Dutch painter, NL (b. 1943) |
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| cees koppelaar Dutch trainer (b. 1939) |
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|
rutger koppelaar Dutch athlete, NL (b. 1993) |
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| h. koppelaar Dutch computer scientist |
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