Surname Kwaak (Kwaak 
) , across the world, is a rare last name. The cognomen Kwaak is characteristic of Netherlands, where it is quite a rare surname, Belgium, where it is a very rare surname, and New Zealand. In absolute terms, it is commonest in Netherlands, the United States, and Belgium.
| VARIANT | COUNTRY |
|---|---|
| Kwaak | Belgium, Netherlands, Australia, Germany, United States |
| sophie kwaak (1901-1990) (b. 1901) |
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| hans van der kwaak (b. 1938) |
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| anke van der kwaak NL (b. 1948) |
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| peter van der kwaak Dutch footballer, NL (b. 1968) |
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| h. kwaak |
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