Last name Knottnerus (Knottnerus 
) , across the world, is a rare cognomen. The surname Knottnerus is characteristic of Netherlands, where it is quite a rare surname, the United States, where it is a very rare surname, and Turkey.
| VARIANT | COUNTRY |
|---|---|
| Knottnerus | Turkey, Germany, United Kingdom, United States, Netherlands |
|
andré knottnerus Dutch general practitioner and university teacher, NL (b. 1951) |
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| reinout knottnerus Dutch Righteous Among the Nations, NL (b. 1918) |
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| cornelia knottnerus Dutch Righteous Among the Nations, NL (b. 1927) |
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| u. j. knottnerus Ph.D. Rijksuniversiteit Groningen 1960 |
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| bart knottnerus researcher |
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| suzan j g knottnerus researcher (ORCID 0000-0003-4961-6968) |
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| j. david knottnerus |
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| herman knottnerus NL (b. 1991) |
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