Mary Lindsay Elmendorf (1917-2017) was an American applied anthropologist, recognized mainly for her work with the Mayan women of Mexico and her application of anthropology in consultation with technology. Her early work involved rural south and the slums of Boston and New Haven as well as in the Putney School in Vermont and Mexico. Her application of anthropology focused mainly on involving women with planning and implementation of suitable technologies for those women and others to choose and manage their development strategies.