Henri Hureau de Sénarmont (September 6, 1808 – June 30, 1862) was a French mineralogist and physician. He was born at Broué, Eure-et-Loir. In the course of his career, he became engineer-in-chief of mining|mines, and professor of mineralogy and director of studies at the École des Mines at Paris.
Sénarmont was distinguished for his research on polarization and demonstrating the anisotropy of heat diffusion in a crystal, and on the artificial formation of minerals. The Sénarmont prism polarizer and the mineral Senarmontite are named after him. He also wrote essays and prepared maps on the geology of Seine-et-Marne and Seine-et-Oise for the Geological Survey of France (1844).