Édouard-Jean-Baptiste Goursat, (born May 21, 1858, Lanzac, Fr. died Nov. 25, 1936, Paris), French mathematician and theorist whose contribution to the theory of functions, pseudo- and hyperelliptic integrals, and differential equations influenced the French school of mathematics.
Goursat was educated at the École Normale Supérieure, receiving his doctorate in 1881. In that same year he accepted a position on the faculty of science in Toulouse. Four years later he returned to the École Normale Supérieure, where he remained until 1897, when he left to teach mathematical analysis at the University of Paris until his retirement.