Barry Stroud (May 18, 1935 - August 9, 2019) was the Willis S. and Marion Slusser Professor Emeritus of Philosophy at the University of California, Berkeley . He worked mainly in epistemology, metaphysics, philosophy of mind and language, and the history of modern philosophy. He is the author of Hume, The Significance of Philosophical Scepticism, The Quest for Reality, Engagement and Metaphysical Dissatisfaction, and four volumes of collected essays. He taught undergraduate and graduate courses on Hume, Wittgenstein, theory of knowledge, metaphysics, and parts of the history of modern philosophy.