Erin David Bigler (born July 9, 1949) is an American neuropsychologist and the Susa Young Gates Professor at Brigham Young University (BYU), where he is a professor of psychology and neuroscience. He is known for his neuroimaging research. He was president of the from 1989 to 1990 and of the International Neuropsychological Society from 2014 to 2015. He founded the Brain Imaging and Behavior Laboratory at BYU in 1990, and chaired the Psychology Department there from 1996 to 2002. He has been the first director of BYU's Magnetic Resonance Imaging Research Facility since 2013.