:Poincaré

{{About|the surname|the lunar crater|Poincaré (crater)|the asteroid|2021 Poincaré}}

{{Wiktionary|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