Thomas William Charles Stoneham FRSA is a British philosopher. He has published on a range of topics in metaphysics, epistemology, philosophical logic, and the philosophy of George Berkeley. Currently, Stoneham is Professor of Philosophy at the University of York (since August 2008) and Head of the Department of Philosophy at York (since September 2020). He is Honorary Treasurer of the UK Council for Graduate Education (July 2018–present), an Editorial Board member of White Rose University Press, and a member of the AHRC Peer Review College (June 2014–present).