Dioscoro Lopez Umali (November 17, 1917 – July 1, 1992) was a Filipino agriculturalist and National Scientist of the Philippines awardee, known as "the Father of Philippine Plant Breeding." He was awarded several international honors and distinctions for his outstanding achievements and improvements of rice, corn and other economic plants. The International Rice Research Institute named a laboratory in his honor. Umali died on July 1, 1992, at the Makati Medical Center in Makati.