Ismael Pérez Pazmiño (Machala, June 30, 1876 – Los Angeles, November 1, 1944) was founder of El Universo newspaper of Guayaquil, Ecuador, and former senator of El Oro province. He published the first edition of El Universo on September 16, 1921. El Universo is still run by Pérez Pazmiño’s descendants. Many educational institutions and streets bear his name in Ecuador.
He was born in Machala in El Oro province. His parents were José Pérez Santander and Elena Pazmiño Gómez. He was married to Herlinda Castro Santander de Pérez Pazmiño. His children were Ismael, Sucre, Francisco, Efraín, Franklin Pérez Castro, and his grandchildren are Carlos Pérez Perasso, Francisco Pérez Febres-Cordero.
He died of cancer in Los Angeles, California on November 1, 1944.