Cognomen Schlesinger (Schlesinger 
, שלזינגר , Шлезингер 
) , worldwide, is a common surname. The cognomen Schlesinger is habitual in British Virgin Islands, where it is a common surname, Israel, where it is quite a common surname, and Austria, where it is quite a rare surname. In absolute terms, it most frequently occurs in the United States, Germany, and Israel. Much less frequently, Schlesinger is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Schlesinger | Austria, Germany, United States, Israel, Guatemala |
| שלזינגר | Israel |
| Шлезингер | Kazakhstan, Russia |
Šlesingr, Šlezinger, Šlezingerová, and Счлесингер
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johann adam schlesinger German painter (1759-1829), DE (b. 1759) |
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adolf martin schlesinger German publisher, DE (b. 1769) |
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jakob schlesinger German lithographer, painter and restorer (1792-1855), DE (b. 1792) |
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| martin schlesinger composer, AT (b. 1754) |
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| johann schlesinger German painter (1768-1840), DE (b. 1768) |
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karl schlesinger Swiss painter (1825-1893), CH (b. 1825) |
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| philippine schlesinger (b. 1768) |
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josef schlesinger Austrian mathematician, politician and educationist (1831-1901), AT (b. 1831) |
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sigmund schlesinger (1832-1918), SK (b. 1832) |
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| bernhard schlesinger CZ (b. 1773) |
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| johann georg schlesinger DE (b. 1775) |
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ludwig schlesinger Czech member of Czech council, historian, local politician and educator (1838-1899), CZ (b. 1838) |
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| nanette schlesinger (1789-1867), AT (b. 1789) |
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sebastian b. schlesinger DE (b. 1837) |
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| moritz adolph schlesinger German music publisher, DE (b. 1798) |
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