Manuel Isaías López (May 20, 1941 - November 29, 2017) was a prominent child psychiatrist, trained in Philadelphia. Many consider Manuel Isaías López to be the father of Mexican Child and Adolescent Psychiatry. In 1972, he founded the first Child and Adolescent Psychiatry subspecialty program in Mexico, at the National Autonomous University of Mexico (UNAM). He also founded and was the first president of AMPI (Mexican Child Psychiatry Association) in 1975. He was the training director of the only Child and Adolescent Psychiatry training program in Mexico, at UNAM, from 1972 until 1998.