Last name Hilgart (Hilgart 
) , across the world, is quite a rare surname. The cognomen Hilgart is habitual in Austria, where it is a rare surname, Germany, and Denmark. In absolute terms, it is the most numerous in the United States, Germany, and Austria.
| VARIANT | COUNTRY |
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| Hilgart | United Kingdom, United States, Germany, Austria, Denmark |
| alois hilgart CZ (b. 1877) |
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| valeria f. hilgart U.S. military veteran, US (b. 1924) |
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| mark c hilgart researcher ORCID ID = 0000-0002-7207-1567 |
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| christian hilgart |
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| mikkel hilgart Danish actor (b. 1991) |
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