Irene Rian Cortes (October 20, 1921 – October 28, 1996) was an Associate Justice of the Supreme Court of the Philippines and a law academician. She was also the first female dean of the University of the Philippines College of Law. Cortes was the third woman to be appointed to the Supreme Court of the Philippines after Cecilia Muñoz-Palma and Ameurfina Melencio-Herrera.