Family name Weininger (Weininger 
, וינינגר 
, ויינינגר ) , around the world, is quite a rare cognomen. The last name Weininger is habitual in Liechtenstein, where it is quite a common surname, Malta, where it is quite a rare surname, and Germany, where it is a rare surname. In absolute terms, the name is most common in Germany, the United States, and Israel.
| VARIANT | COUNTRY |
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| Weininger | Canada, Austria, Hungary, United States, Germany |
| וינינגר, ויינינגר | Israel |
| johannes weininger DE (b. 1549) |
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| salomon weininger Austrian goldsmith, dealer, 1822-1879 (b. 1822) |
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otto weininger Austrian philosopher and writer, AT (b. 1880) |
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| leopold weininger Austrian goldsmith (1854-1922), AT (b. 1854) |
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| berl weininger holocaust victim, b. 1859-05-05, CZ (b. 1859) |
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| rosa weininger holocaust victim, b. 1870-06-08, AT (b. 1870) |
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| siegfried weininger holocaust victim, b. 1881-12-25, AT (b. 1881) |
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| anna weininger Holocaust victim, born 1883-06-22 (b. 1883) |
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| hermine weininger holocaust victim, b. 1885-02-12, AT (b. 1885) |
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| josef weininger (b. 1881) |
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| richard weininger (b. 1887) |
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| egon weininger holocaust victim, b. 1897-09-29, CZ (b. 1897) |
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| andor weininger Hungarian artist and architect (1899-1986), HU (b. 1899) |
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| weininger margit music pedagogue; piano teacher (1902--1982), HU (b. 1901) |
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david weininger American chemist (1952–2016) (b. 1952) |
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