Surname Ostwald (Ostwald 
, Оствалд 
) , all over the world, is quite a rare cognomen. The family name Ostwald is habitual in Germany, where it is quite a rare surname, Sweden, where it is a rare surname, and Latvia. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Brazil. Much less frequently, Ostwald is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ostwald | Australia, Sweden, Brazil, Germany, United States |
| Оствалд | Russia |
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wilhelm friedrich ostwald Baltic German chemist, LV (b. 1853) |
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| elisabeth ostwald (b. 1824) |
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| gottfried ostwald (b. 1824) |
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| jakob ostwald (b. 1838) |
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| helene ostwald Family von Reyher, spouse from Wilhelm Ostwald (b. 1854) |
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| eugen heinrich ostwald LV (b. 1851) |
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| siegmund ostwald holocaust victim, b. 1865-10-16, DE (b. 1865) |
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| hans ostwald German journalist and cultural historian, DE (b. 1873) |
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| philipp ostwald holocaust victim, b. 1876-09-29, DE (b. 1876) |
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| louis ostwald holocaust victim, b. 1877-11-04, DE (b. 1877) |
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| minna ostwald holocaust victim, b. 1877-03-22, DE (b. 1877) |
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| heinrich ostwald (1877-1950) (b. 1877) |
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| henriette ostwald holocaust victim, b. 1879-01-26 (b. 1879) |
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| joseph ostwald German architect, DE (b. 1879) |
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| julie ostwald holocaust victim, b. 1881-01-16, DE (b. 1881) |
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