Last name Loewenstein (Loewenstein 
, לוונשטיין , לוינשטיין ) , in all the world, is quite a rare surname. The cognomen Loewenstein is characteristic of Israel, where it is quite a rare surname, Austria, and Denmark. Not in comparison with a country's population, the name is most common in the United States, Germany, and Israel. Much less frequently, Loewenstein is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Loewenstein | Germany, United States, Israel, Austria, Brazil |
| לוונשטיין, לוינשטיין | Israel |
Lowenstein, Löwenstein, Løwenstein, and Левенштейн
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natan loewenstein Polish politician (1859-1929), PL (b. 1859) |
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| albert samuel loewenstein (b. 1802) |
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| adolf zu loewenstein (b. 1811) |
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alfred loewenstein Belgian aviator, businessman, soldier, sportsman (1877-1928), BE (b. 1877) |
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| bernard loewenstein PL (b. 1821) |
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| leon loewenstein PL (b. 1836) |
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rudolph loewenstein Polish-French-American psychoanalyst (1898-1976), PL (b. 1898) |
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| otto loewenstein (b. 1841) |
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| isaac loewenstein holocaust victim, b. 1865-09-01, CZ (b. 1865) |
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| heija loewenstein holocaust victim, b. 1867-01-01, CZ (b. 1867) |
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| moritz loewenstein holocaust victim, b. 1867-12-11, CZ (b. 1867) |
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| martha loewenstein holocaust victim, b. 1867-04-07 (b. 1867) |
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| siegfried loewenstein holocaust victim, b. 1870-12-14 (b. 1870) |
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| max von loewenstein zu loewenstein (1870-1949), DE (b. 1870) |
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| aenny loewenstein German painter (1871-1925), DE (b. 1871) |
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