Family name Wardenaar (Wardenaar 
) , throughout the world, is a rare last name. The family name Wardenaar is habitual in Netherlands, where it is quite a rare surname, Australia, where it is a very rare surname, and France. In absolute terms, it is commonest in Netherlands, the United States, and France.
| VARIANT | COUNTRY |
|---|---|
| Wardenaar | Australia, United States, Canada, France, Netherlands |
| floris c wardenaar researcher |
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| klaas j wardenaar researcher |
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