Cognomen Heynck (Heynck 
) , throughout the world, is a rare family name. The last name Heynck is habitual in Germany, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Heynck is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Heynck | Germany, United States |
| bernhard heynck DE (b. 1803) |
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| valens heynck DE (b. 1906) |
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| stefanie heynck researcher |
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| sarah heynck German association football player, DE (b. 1999) |
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