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Poincaré is a French surname. Notable people with the surname include:

  • Henri Poincaré (1854–1912), physicist, mathematician and philosopher of science
  • Lucien Poincaré (1862–1920), physicist, brother of Raymond and cousin of Henri
  • Raymond Poincaré (1860–1934), French Prime Minister or President inter alia from 1913 to 1920, cousin of Henri

See also[edit]