Jonathan Lee Kvanvig (born December 7, 1954) is Professor of Philosophy at Washington University in St. Louis.
Kvanvig has published extensively in areas such as epistemology, philosophy of religion, logic, and philosophy of language. Some of his books include Rationality and Reflection, The Value of Knowledge and the Pursuit of Understanding, and The Problem of Hell (published 1993), which debates Hell in a modern theological and philosophical way.
He is the owner and administrator of the blog Certain Doubts, which covers topics related to epistemology.