David Foster Pratt (11 January 1918 – 21 November 2010) was an American artist, art instructor and designer. He was best known for his watercolor and oil landscapes. Pratt served as the director of the Art Institute of Buffalo in the late 1940s and early 1950s. During his tenure at the Institute, he worked closely with Charles Burchfield. He lived and worked most of his life in western New York. His works have been exhibited in many northeastern and mid-west states.