Ada Maria Isasi-Diaz, Cuban-American theologian, author, and academic (b. 1943)

Ada María Isasi-Díaz (March 22, 1943 – May 13, 2012) was a Cuban-American theologian who served as professor emerita of ethics and theology at Drew University in Madison, New Jersey. As a Hispanic theologian, she was an innovator of Hispanic theology in general and specifically of mujerista theology. She was founder and co-director of the Hispanic Institute of Theology at Drew University until her retirement in 2009.