Adelina Adato Barrion (September 9, 1951 – July 10, 2010) was a Filipino entomologist and geneticist whose extensive contribution to the study of Philippine spiders earned her the moniker "Asia's Spider Woman," although she also contributed significantly to the study of other species, and to the study of genetics in general. She also headed the Genetics and Molecular Biology Division of the Institute of Biological Sciences, at the University of the Philippines Los Baños' College of Arts and Sciences, and served as the curator of the UPLB Museum of Natural History.