Family name Rogaar (Rogaar 
) , throughout the world, is a rare surname. The family name Rogaar is habitual in Netherlands, where it is quite a rare surname, Switzerland, where it is a rare surname, and Poland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rogaar | Germany, Switzerland, Poland, Brazil, Netherlands |
| karst-janneke rogaar Dutch illustrator, NL (b. 1975) |
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| margien rogaar NL (b. 1977) |
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