Anita Álvarez de Williams (born in Calexico, California, in 1931) is an American anthropologist, photographer and historian. Her work has been of great importance to understand the past of Baja California and the borderlands area. She has published "The Cocopah People" (1974), "Travelers among the Cucapa" (1975), and "Primeros pobladores de la Baja California. Introducción a la antropología de la península" (1975), among several books and academic journals both in Mexico and the United States.