Dr. Jose Ma. Sison - Graduated in 1959, known for his role as a political activist and founder of the Communist Party of the Philippines.
Dr. Bienvenido Lumbera - Graduated in 1953, a National Artist for Literature in the Philippines and a prominent scholar in Filipino literature.
Dr. Edgardo J. Angara - Graduated in 1958, former Philippine Senator and Secretary of Agriculture, known for his contributions to education and agriculture.
Dr. Jaime Cardinal Sin - Graduated in 1945, former Archbishop of Manila and a key figure in the People Power Revolution.