Surname Hollaar (Hollaar 
) , in all the world, is a rare cognomen. The family name Hollaar is characteristic of Netherlands, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Canada. In absolute terms, it is commonest in Netherlands, the United States, and France.
| VARIANT | COUNTRY |
|---|---|
| Hollaar | Germany, Canada, France, United States, Netherlands |
| dirk hollaar (b. 1849) |
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| william hollaar victim of the COVID-19 pandemic: 'He would cry with you or laugh with you', US (b. 1948) |
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louis hollaar Dutch speed skater, NL (b. 1998) |
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| vanessa r y hollaar researcher (ORCID 0000-0001-9360-0870) |
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