Cognomen Houpt (Houpt 
) , across the world, is quite a rare surname. The surname Houpt is habitual in the United States, where it is a rare surname, New Zealand, and Israel. Measured by absolute frequency, it most frequently occurs in the United States, Germany, and Canada.
| VARIANT | COUNTRY |
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| Houpt | Germany, United States, Canada, Israel, Netherlands |
| john houpt (b. 1795) |
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| katherine a. houpt (b. 1939) |
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| jacob a houpt researcher |
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| paul kenneth houpt Ph.D. Massachusetts Institute of Technology 1974 |
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| thomas a. houpt researcher |
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| ted houpt college basketball player (1987–1987) Winthrop |
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| eric r houpt researcher ORCID ID = 0000-0003-1085-1354 |
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| matt houpt college basketball player (1979–1982) Charlotte |
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| sean houpt college basketball player (2020–2020) Bradley |
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| joseph w. houpt researcher |
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| katherine albro houpt researcher |
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| jack houpt college basketball player (2011–2013) Western Illinois |
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