Dagum is a surname. Notable people with the surname include: Camilo Dagum, probability theorist, namesake of the Dagum distribution in probability theory Estelle Bee Dagum, Argentine and Canadian economic statistician Paul Dagum, researcher who first developed dynamic Bayesian networks
See also Bayog, Zamboanga del Sur, a municipality in the Philippines that includes the barangay of Dagum as one of its subdivisions