Family name Twietmeyer (Twietmeyer 
) , in the world, is a rare last name. The cognomen Twietmeyer is characteristic of Western Europe, particularly Germany, where it is a rare surname, Switzerland, and Austria. Not in comparison with a country's population, it is commonest in Germany, the United States, and Switzerland.
| VARIANT | COUNTRY |
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| Twietmeyer | Germany, Austria, Switzerland, Canada, United States |
| eugen twietmeyer (b. 1847) |
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| tim twietmeyer American ultramarathon runner, US (b. 1958) |
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| eric twietmeyer Ph.D. Harvard University 1994 |
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| lauren twietmeyer researcher |
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| gerry twietmeyer college basketball player (1955–1958) Valparaiso |
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| claudia twietmeyer (b. 1973) |
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