Poincaré
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 from 1913 to 1920, cousin of Henri