Poincaré

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


 * Henri Poincaré (1854–1912), French physicist, mathematician and philosopher of science
 * Henriette Poincaré (1858–1943), wife of Prime Minister Raymond Poincaré
 * 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