David Alan Washburn(October 5, 1961 – January 24, 2025) was an American psychologist who was professor emeritus of psychology and neuroscience at Georgia State University. From 2001 to 2019, he also served as the Director of the Georgia State University Language Research Center. In August, 2019, he retired at Georgia State University and joined the faculty of his alma mater as professor of psychology at Covenant College. His research included studies of individual and group differences in cognitive competencies, particularly attention and its relation to learning, memory, and executive functioning. He is best known for his noninvasive behavioral and cognitive research with monkeys, using game-like computerized tasks.