John Herbert Haddox (August 9, 1929 – July 15, 2017) was an American philosopher known for his thought in the area of ethics and social philosophy, and for his groundbreaking work of introducing Mexican philosophers to the English-speaking world. He taught over 56 years at the University of Texas at El Paso before becoming professor emeritus in philosophy upon his retirement in 2013. His best known books were Vasconcelos of Mexico: Philosopher and Prophet, and Antonio Caso: Philosopher of Mexico, both of which were published by the University of Texas Press. He also wrote extensively on Chicano and Native American thought.