Family name Reznick (Reznick 
) , in the entire world, is a rare last name. The cognomen Reznick is habitual in Canada, where it is a rare surname, the United States, and Argentina, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Reznick | Canada, France, Argentina, United States, Mexico |
| j. steven reznick American psychologist, US (b. 1951) |
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| david n. reznick American evolutionary biologist, US (b. 1952) |
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| bruce reznick American mathematician, US (b. 1953) |
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| richard m reznick researcher |
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| jane reznick researcher |
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