José Ignacio Mariano Santiago Joaquín Francisco de la Torre y Mier (July 25, 1866 – April 1, 1918) was a Mexican businessman, politician and owner of a hacienda, the son-in-law of Porfirio Díaz, then president of Mexico, married to his eldest daughter, Amada Díaz. His nickname was "El Yerno de su Suegro" (His father-in-law's son-in-law).