Family name Rotert (Rotert 
) , in all the world, is quite a rare cognomen. The last name Rotert is habitual in Germany, where it is a rare surname, Switzerland, and the United States. Measured by absolute frequency, it is the most numerous in the United States, Germany, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Rotert | Switzerland, Brazil, United States, Germany, Netherlands |
| michael rotert German entrepreneur, DE (b. 1950) |
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| corinna rotert DE (b. 1984) |
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