Philosophers, listed alphabetically:

A

• Pierre Abélard (Peter Abelard), (1079-1142)
• Uriel Acosta, (1585-1640)
• Mortimer Adler, (1902-2001)
• Theodor Adorno, (1903-1969)
• Giorgio Agamben
• Albertus Magnus (a.k.a. Saint Albert the Great; Albert of Cologne)
• Al-Farabi, (870–950)
• Al-Kindi, (801 - 873)
• Rogers Albritton
• Anacharsis
• Anaxagoras, (died 462 BC)
• Anaximander, (609 BC,610 BC-c. 547 BC)
• Anaximenes of Miletus
• G. E. M. Anscombe, (1918-2001)
• Anselm, (1034-1109)
• Thomas Aquinas, (1225-1274)
• Hannah Arendt, (1906-1975)
• Aristotle, (384 BC-322 BC)
• Augustine of Hippo (354-430)
• Marcus Aurelius, (121-180)
• J. L. Austin, (1911-1960)
• Averroes, (1126-1198), (Ibn Rushd)
• Avicenna, (980-1037), (Ibn Sina)
• A. J. Ayer, (1910-1989)

B

• Robert B. Brandom (1974-1975)
• Franz Xaver von Baader, (1765-1841)
• Gaston Bachelard, (1884-1962)
• Francis Bacon, (1561-1626)
• Roger Bacon, (1214-1294)
• Alexander Bain, (1818-1903)
• Yehoshua Bar-Hillel, (1915-1975)
• Jon Barwise, (1942-2000)
• Jean Baudrillard, (1929-)
• Bruno Bauer, (1809-1882)
• Alexander Gottlieb Baumgarten, (1714-1762)
• Paul Benacerraf
• Jeremy Bentham, (1748-1832)
• Henri Bergson, (1859-1941)
• George Berkeley, (1685-1753)
• Isaiah Berlin, (1909-1997)
• Hugh Binning, (1627-1653)
• Simon Blackburn, (1944-)
• Brand Blanshard, (1892-1987)
• Benjamin Paul Blood, (1832-1919)
• Bonaventure, (1221-1274)
• George Boole, (1815-1864)
• George Boolos, (1940-1996)
• Emile Boutroux, (1845-1921)
• F. H. Bradley, (1846-1924)
• Robert Brandom
• Anicius Manlius Severinus Boëthius, (AD 480-524 or 525)
• Franz Brentano, (1853-1920)
• Thomas Browne, (1605-82)
• Giordano Bruno, (1548-1600)
• Leon Brunschvicg, (1869–1944)
• Martin Buber, (1878-1965)
• Mario Bunge, (born 1919)
• Edmund Burke, (1729-1797)

C

• Edward Caird, (1835-1908)
• Albert Camus, (1913-1960)
• Rudolf Carnap, (1891-1970)
• David Chalmers
• Cicero, (106 BC-43 BC)
• Lucio Colletti
• Auguste Comte, (1798-1857)
• Étienne Bonnot de Condillac, (1715-1780)
• Marquis de Condorcet, (1743-1794)
• Confucius, (551 BC - 479 BC)
• Frederick Copleston, (1907-1994)
• Victor Cousin, (1792-1867)
• Johannes Crellius (1590-1633)
• Bennedetto Croce
• Crates of Thebes
• Ralph Cudworth, (1617-1688)
• Richard Cumberland, (1631?-1718)

D

• Donald Davidson, (1917-2003)
• Simone de Beauvoir, (1908-1986)
• Gilles Deleuze, (1925-1995)
• Galvano Della Volpe
• Democritus, (born 460 BC)
• Daniel Dennett, (born 1942)
• Jacques Derrida, (born 1930)
• René Descartes, (1596-1650)
• Vincent Descombes, (1948-present)
• John Dewey, (1859-1952)
• Denis Diderot, (1713-1784)
• Wilhelm Dilthey, (1833-1911)
• Dogen Zenji, (1200-1253)
• Duns Scotus, (c. 1266-1308)

E

• Mircea Eliade, (1907-1986)
• Jacques Ellul, (1912-1994)
• Empedocles, (490 BC-430 BC)
• Epictetus, (AD 55-circa 135)
• Epicurus, (341 BC-270 BC)
• Desiderius Erasmus, (1466-1536)
• Johannes Scotus Erigina, (c. 800-c. 880)
• Eubulides of Miletus, (4th century BC)
• Gareth Evans, (1946-1980)

F

• Ludwig Feuerbach, (1804-1872)
• Paul Feyerabend, (1924-1994)
• Johann Gottlieb Fichte, (1762-1814)
• Immanuel Hermann Fichte, (1797-1879)
• Marsilio Ficino, (1433-1499)
• Philippa Foot, (born 1920)
• Michel Foucault, (1926-1984)
• Gottlob Frege, (1848-1925)
• Jakob Friedrich Fries, (1773-1843)

G

• Hans-Georg Gadamer, (1900-2002)
• Gautama Buddha, (ca. 563-483 BC)
• David Gauthier
• Peter Geach
• Bernard Gert
• Edmund Gettier, (born 1927)
• Rene Girard, (born 1923)
• Nelson Goodman
• Wawrzyniec Grzymala Goslicki (1530-1607)
• Antonio Gramsci
• D. Granosalis
• George Grant
• Richard Grathoff (born 1934)
• Félix Guattari, (1930-1992)

H

• Susan Haack (born 1945)
• Jürgen Habermas, (born 1929)
• R. M. Hare, (1919-2002)
• Gilbert Harman (born 1938)
• John Haugeland, (born 1948)
• Friedrich Hayek (1899-1992)
• Hecato of Rhodes, ancient Greece
• Martin Heidegger, (1889-1976)
• Georg Hegel, (1770-1831)
• Carl Gustav Hempel, (1905-1997)
• Heraclitus of Ephesus, (ca. 535 BC-475 BC)
• Thomas Hobbes, (1588-1679)
• Douglas Hofstadter, (born 1945)
• Max Horkheimer, (1895-1973)
• David Hume, (1711-1776)
• Rosalind Hursthouse
• Edmund Husserl, (1859-1938)

I

• Iamblichus
• Muhammad Iqbal, (1877-1938)

J

• Karl Jaspers, (1883-1969)
• Hans Jonas, (1903-1993)
• John the Scot, (c. 800-c. 880)

K

• Henry Home, Lord Kames, (1696-1782)
• Immanuel Kant, (1724-1804)
• Norman Kemp Smith
• Ibn Khaldun
• Søren Kierkegaard, (1813-1855)
• Saul Kripke, (born 1940)
• Thomas Samuel Kuhn, (1922-1996)

L

• Imre Lakatos, (1922-1974)
• Lao Zi, (4th century BC), (Lao Tzu)
• Pierre Laromiguière, (1756-1837)
• Gottfried Leibniz, (1646-1716)
• Leucippus
• C. I. Lewis
• David K. Lewis, (1941-2001)
• Emmanuel Levinas, (1906-1995)
• John Locke, (1632-1704)
• Knud Ejler Løgstrup, (1905-1981)
• Georg Lukács

M

• Niccolò Machiavelli, (1469-1527)
• John Leslie Mackie, (1917-1981)
• Alasdair MacIntyre
• John Macmurray, (1891-1976)
• Martin Luther, (1483-1546)
• Jean-François Lyotard, (1924-1998)
• Maine de Biran, (1766-1824)
• Nicolas Malebranche, (1638-1715)
• Maimonides aka Rambam, (1135-1204)
• Mao Zedong, (1893-1976)
• Gabriel Marcel, (1887-1973)
• Herbert Marcuse, (born 1898)
• Karl Marx, (1818-1883)
• John McDowell (born 1942)
• Colin McGinn
• John Ellis McTaggart
• Alexius Meinong
• Winnifried Menninghaus
• Maurice Merleau-Ponty, (1908-1961)
• James Mill, (1773-1836)
• John Stuart Mill, (1806-1873)
• Ludwig von Mises,
• Baron de Montesquieu (1689 - 1755)
• Michel de Montaigne, (1533 - 1592)
• G. E. Moore, (1837-1958)
• Thomas More, (1478-1535)
• Jean François Moufot, (1784-1842)

N

• Nagarjuna, (ca. 200 CE)
• Ernest Nagel (1901-1985)
• Thomas Nagel (1937-present)
• Leonard Nelson
• Otto Neurath, (1882-1945)
• Friedrich Nietzsche, (1844-1900)
• Robert Nozick (1938-2001)

O

• Michael Oakeshott (1901-1990)
• William of Ockham, (ca. 1285-1349)
• José Ortega y Gasset
• Rudolf Otto

P

• Thomas Paine (1737-1809)
• Vilfredo Pareto
• Derek Parfit
• Parmenides
• Blaise Pascal, (1623-1662)
• Charles Sanders Peirce
• Philo, (20 BC-40 AD)
• Alvin Plantinga
• Plato, (c. 427 BC-c. 347 BC)
• Plotinus, (died 270)
• Karl Popper, (1902-1994)
• Porphyry
• Proclus
• Protagoras
• Hilary Putnam, (born 1926)
• Pythagoras, (582 BC-496 BC)

Q

• W. V. O. Quine, (1908-2000)

R

• Sarvepalli Radhakrishnan (1888 - 1975)
• Frank Ramsey, (1903-1930)
• Ayn Rand, (1905-1982)
• John Rawls, (1921-2002)
• Hans Reichenbach
• Thomas Reid, (1710-1796)
• Nicholas Rescher, (1928-present)
• Rhazes
• Richard Rorty, (born 1930?)
• Gian-Carlo Rota, (1932-1999)
• Jean Jacques Rousseau
• Josiah Royce, (1865-1916)
• Pierre Paul Royer-Collard, (1763-1845)
• Bertrand Russell, (1872-1970)
• Gilbert Ryle

S

• George Santayana, (1863-1952)
• Jean-Paul Sartre, (1905-1980)
• John Ralston Saul, (1947-Present)
• Friedrich Schelling, (1775-1852)
• Friedrich Schiller, (1759-1805)
• Friedrich von Schlegel, (1772 - 1829)
• Friedrich Schleiermacher, (1768 - 1834)
• Moritz Schlick, (1882-1936)
• Arthur Schopenhauer, (1788-1860)
• Albert Schweizer
• John Searle, (born 1931?)
• Wilfrid Sellars, (1912-1989)
• Michel Serres, (1930 - present)
• Adi Shankaracharya
• Sydney Shoemaker
• Peter Singer
• Joseph D. Sneed
• Socrates, (470 BC-399 BC)
• Herbert Spencer, (1820-1903)
• Thomas Spencer Baynes, (1823-1887)
• Baruch Spinoza, (1632-1677)
• Lysander Spooner
• Timothy L.S. Sprigge, (1932 - present)
• C. L. Stevenson, (1908-1979)
• Dugald Stewart, (1753-1828)
• Max Stirner, (1806-1856)
• David Friedrich Strauss, (1808-1874)
• Leo Strauss, (1899-1973)

T

• Debendranath Tagore
• Rabindranath Tagore (1861-1941)
• Charles Taylor
• Henry David Thoreau
• Paul Tillich
• Thales, (circa BC624-BC547)
• Benjamin Tucker
• Raimo Tuomela

U

• Miguel de Unamuno

V

• Giambattista Vico, (1668-1744)
• Eric Voegelin, (1901-1985)
• Voltaire, (1694-1778)

W

• Eric Weil (1904-1977)
• Simone Weil (1909-1943)
• Cornel West, (born 1953)
• Alfred North Whitehead, (1861-1947)
• Wilber, Ken, (1949-?)
• Bernard Williams, (1929-2003)
• Timothy Williamson , (born 1955)
• Ludwig Wittgenstein, (1889-1951)
• Christian Wolff, (1679-1754)
• William Wollaston, (1659-1724)
• Georg Henrik von Wright, (1916-2003)

X

• Xenophanes

Y

Z

• Peter Wessel Zapffe, (1899-1990)
• Zeno of Citium, (333 BC-264 BC)
• Zeno of Elea, (circa 495 BC-circa 430 BC)
• Zhuang Zi, (circa 300 BC)
• Slavoj Žižek, (1949-)
• Arnold Zuboff

See also

• History of philosophy for another list of philosophers