Cognomen Riegert (瑞格 
, Riegert 
, Ригерт 
) , across the world, is quite a rare last name. The cognomen Riegert is characteristic of France, where it is quite a rare surname, Germany, where it is a rare surname, and Kazakhstan. In absolute terms, this name is the most popular in France, Germany, and the United States. Much less frequently, Riegert is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 瑞格 | China |
| Riegert | Brazil, Canada, United States, Germany, France |
| Ригерт | Kyrgyzstan, Russia, Kazakhstan |
| ריגרט | Israel |
| kazimierz maurycy riegert PL (b. 1885) |
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peter riegert American actor and director, US (b. 1947) |
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klaus riegert German politician, DE (b. 1959) |
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| charles riegert French bicycle racer, FR (b. 1913) |
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| marguerite riegert FR (b. 1913) |
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| ray riegert (b. 1947) |
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| sabine riegert (b. 1962) |
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| jan riegert researcher, CZ (b. 1977) |
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| david riegert researcher |
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| alexander s riegert researcher |
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| judith riegert (b. 1978) |
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| nicole riegert DE (b. 1980) |
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| sarah riegert DE |
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