Deane Galloway Keller (August 1, 1940 – January 4, 2005) was an American artist, academic and author. Keller was a draftsman, painter, sculptor, and teacher who instructed students in the visual arts for forty years, most notably in figure drawing and the artistic application of human anatomy. He is credited with explaining that "drawing offers a unique record of an encounter with a culture, of experience transformed from fleeting moment to lasting resonance."
He was the son of Deane and Katherine Hall Keller.
He earned a Bachelor of Arts degree in Art History from Yale University, where he studied under his father, and a Master of Arts in Education from St. Joseph College in West Hartford, Connecticut. Additionally, Keller studied in Florence, Italy, with Nera Simi, and anatomy under David Rubins at the Herron School of Art in Indianapolis, Indiana.
For 25 years Keller served as a professor at the Lyme Academy College of Fine Arts. The head of the drawing department, in 2001 he was honored with the endowed Deane G. Keller Chair of Classical Drawing and Figurative Art, a position which he held until his death. Keller was also a member of the faculty of the New York Academy of Art, the Art Students League of New York, the Hartford Art School at the University of Hartford, and the Woodstock School of Art. He lectured on drawing and draftsmanship at the Yale Center for British Art, the Wadsworth Atheneum, and the Graduate School of Design at Harvard University.