Quentin Persifor Smith (August 27, 1952, Rhinebeck, New York – November 12, 2020, Kalamazoo, Michigan) was a professor emeritus of philosophy at Western Michigan University in Kalamazoo, Michigan. He worked in the philosophy of time, philosophy of language, philosophy of physics and philosophy of religion. Smith published over 140 articles. Of his published books, he has authored three, co-authored two, and co-authored and edited seven. He was an editor for Prometheus Books and was the chief editor for Philo from 2001 to 2007. He has debated William Lane Craig over the existence of God.
