This is a list of epistemologists, that is, people who theorize about the nature of knowledge itself.

• A.J. Ayer
• Alvin Goldman
• Alvin Plantinga
• Ayn Rand
• Barry Stroud
• Bertrand Russell
• Catherine Elgin
• David Hume
• Edgar Morin
• Edmund Gettier
• Ernst von Glasersfeld
• Fred Dretske
• George Berkeley
• George Edward Moore
• George Pappas
• Gerhard Vollmer
• Giambattista Vico
• Gilbert Harman
• Harry Binswanger
• Heinz von Foerster
• Hilary Kornblith
• Immanuel Kant
• Jean-Louis Le Moigne
• Jean Piaget
• John Locke
• John Searle
• Jonathan Dancy
• Karla Jessen Williamson
• Keith Lehrer
• Laurence Bonjour
• Louis Pojman
• Ludwig Wittgenstein
• Margaret Elizabeth Egan
• Mioara Mugur-Schächter
• Nassim Nicholas Taleb
• Nelson Goodman
• Niklas Luhmann
• Norman Malcolm
• P. F. Strawson
• Paul Grice
• Peter Strawson
• Peter Unger
• Phillip H. Wiebe
• Plato
• René Descartes
• Robert Audi
• Robert Nozick
• Sherrilyn Roush
• Socrates
• Søren Kierkegaard
• St. Thomas Aquinas
• Trenton Merricks
• W.V.O. Quine
• Walter Terence Stace
• William Alston
• Xenophanes

v • d • e Epistemology Related articles Outline of epistemology · Alethiology · Formal epistemology · Meta-epistemology · Philosophy of perception · Philosophy of science · Faith and rationality · Theaetetus Concepts in epistemology Knowledge · Justification · Belief · Perception · A priori knowledge · Induction · Other minds · Analytic-synthetic distinction · Causality · Common sense · Descriptive knowledge · Gettier problem · Objectivity · Analysis · Proposition · Regress argument · Simplicity · Speculative reason · Truth · more... · Epistemological theories Coherentism · Constructivist epistemology · Contextualism · Determinism · Empiricism · Fallibilism · Foundationalism · Holism · Infinitism · Innatism · Internalism and Externalism · Naïve realism · Naturalized epistemology · Objectivist epistemology · Phenomenalism · Positivism · Reductionism · Reliabilism · Representative realism · Rationalism · Skepticism · Theory of Forms · Transcendental idealism · Uniformitarianism Epistemologists Thomas Aquinas · Robert Audi · A.J. Ayer · George Berkeley · Laurence Bonjour · Rene Descartes · Edmund Gettier · Alvin Goldman · Nelson Goodman · Paul Grice · David Hume · Immanuel Kant · Søren Kierkegaard · John Locke · George Edward Moore · Robert Nozick · Alvin Plantinga · Plato · Louis Pojman · Peter Strawson · W.V.O. Quine · Bertrand Russell · Ludwig Wittgenstein · Vienna Circle · Portal · Category · Task Force · Stubs · Discussion