Weininger is a
German surname. Notable people with the surname include:
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Chad Weininger (born 1972), American business owner and politician
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David Weininger
David Weininger (August 5, 1952 – November 2, 2016) was an American cheminformatician and entrepreneur. He was most notable for inventing the chemical line notations for structures (SMILES), substructures (SMARTS) and reactions (SMIRKS). He als ...
(1952–2016), American chemist and entrepreneur
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Otto Weininger (1880–1903), Austrian philosopher
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German-language surnames
Surnames of Jewish origin