Keith DeRose (born April 24, 1962) is an American philosopher teaching at Yale University in New Haven, Connecticut, where he is currently Allison Foundation Professor of Philosophy. He taught previously at New York University and Rice University. His primary interests include epistemology, philosophy of language, philosophy of religion, and history of modern philosophy. He is best known for his work on contextualism in epistemology, especially as a response to the traditional problem of skepticism.
DeRose graduated from Calvin College in 1984 with a B.A. in Philosophy. He then studied at UCLA, earning an M.A. in 1986 and a PhD in 1990; his dissertation was entitled Knowledge, Epistemic Possibility, and Skepticism, under Rogers Albritton. While at UCLA, he won the Robert M. Yost Prize for Excellence in Teaching (1988), was awarded the Griffin Fellowship in 1990, and won the Carnap Essay Prize in 1989 and again in 1990.