Brongniart is the surname of a notable French family:
Antoine-Louis Brongniart (1742–1804), chemist, younger brother of Alexandre-Théodore Brongniart (1739–1813), architect who gave his name to the Palais Brongniart, the former seat of the Paris Bourse, father of Alexandre Brongniart (1770–1847), mineralogist and naturalist, father of Adolphe-Théodore Brongniart (1801–76), botanist, father of Édouard-Charles Brongniart, painter and schools inspector, father of Charles Jules Edmée Brongniart (1859–1899), zoologist
See also Brongniartia (disambiguation) Brongniartieae