Cognomen Werntz (Werntz 
) , all around the world, is a rare surname. The surname Werntz is habitual in the United States, where it is a rare surname, Germany, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Werntz | United States, Canada, Germany |
| carl werntz American artist (1874-1944), US (b. 1874) |
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| gary werntz American actor, US (b. 1953) |
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| d. werntz badminton player, DE (b. 1955) |
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| scott werntz researcher (ORCID 0000-0002-3189-7952) |
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| lars werntz researcher (ORCID 0000-0003-4169-5294) |
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| myles werntz |
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