Delia Villegas Vorhauer (April 17, 1940 – June 1, 1992) was an American Latina social worker, who successfully ran programs to assist the Hispanic communities in Illinois, Ohio and Michigan. She was awarded a presidential medal for her efforts in development. She founded Mujeres Unidas de Michigan as an advocacy group for Spanish-speaking women and as a result of their activism the group sent six delegates to the 1977 National Women's Conference, which was a part of the UN International Women's Year programs. Vorhauer served as vice chair of the delegation to the conference. She authored the Mason Miller Report, an evaluation of minorities and higher education, which became the model for analyzing participation of minorities in colleges and universities throughout Michigan, leading to a st