Last name Heiny (Heiny 
) , across the world, is quite a rare surname. The family name Heiny is habitual in Austria, where it is quite a rare surname, Hungary, where it is a rare surname, and Germany. Measured by absolute frequency, it is commonest in the United States, Germany, and France. Much less frequently, Heiny is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Heiny | Hungary, United States, Germany, France, Austria |
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katherine heiny American author |
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| heiny lewa Indonesian political candidate in Maluku electoral district, ID |
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| dana kelly heiny botanist |
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| heiny lewa Indonesian political candidate in West Java V electoral district, ID |
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| judith a heiny researcher ORCID ID = 0000-0001-8206-1111 |
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| heiny situmorang Indonesian politician (born in Tarutung), ID |
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| robert lowell heiny Ph.D. Colorado State University 1968 |
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| stefan heiny German bicycle racer, DE (b. 1982) |
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| johannes heiny chess player (b. 1989) |
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| sascha heiny DE |
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