Family name Gernaat (Gernaat 
) , all around the world, is a rare cognomen. The cognomen Gernaat is habitual in Netherlands, where it is quite a rare surname, the United States, where it is a very rare surname, and South Africa.
| VARIANT | COUNTRY |
|---|---|
| Gernaat | Netherlands, Germany, United States, South Africa |
| john gernaat American politician, US (b. 1939) |
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| russell gernaat American rower, US (b. 1966) |
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| david e.h.j. gernaat researcher, ORCID id # 0000-0003-4994-1453 |
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| sofie a m gernaat researcher (ORCID 0000-0001-7828-1138) |
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