Cognomen Rottman (Rottman 
) , in the entire world, is quite a rare surname. The surname Rottman is characteristic of the United States, where it is a rare surname, New Zealand, and Hungary. Measured by absolute frequency, it is commonest in the United States, Canada, and Argentina.
| VARIANT | COUNTRY |
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| Rottman | Australia, Germany, Canada, Argentina, United States |
| curt rottman Olympic gymnast (1886-1928), US (b. 1886) |
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| stormy rottman American meteorologist, US (b. 1918) |
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| gordon rottman author, US (b. 1947) |
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| ivan rottman (b. 1946) |
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| otto rottman Romanian athletics competitor, RO |
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| benjamin margolin rottman researcher |
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| joshua rottman researcher |
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| james b rottman researcher (ORCID 0000-0002-3593-6699) |
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| martin rottman researcher |
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| ryan rottman American actor, US (b. 1984) |
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