2006 in philosophy

• Harry Frankfurt, On Truth (2006)
• Luc Ferry, Learning to Live (2006)
• Paul Boghossian, Fear of Knowledge (2006)
• André Comte-Sponville, The Book of Atheist Spirituality (originally published in French as L'Esprit de l'athéisme, 2006)
• Jonathan Lear, Radical Hope: Ethics in the Face of Cultural Devastation (2006)
• Joshua Foa Dienstag, Pessimism: Philosophy, Ethic, Spirit (2006)
• Roger Crisp, Reasons and the Good (2006)
• Lee Smolin, The Trouble with Physics (2006)

• February 4 - Betty Friedan (born 1921)
• February 13 - P. F. Strawson (born 1919)
• March 27 - Stanisław Lem (born 1921)
• June 30 - Murray Bookchin (born 1921)
• July 8 - Raja Rao (born 1908)
• August 1 - Iris Marion Young (born 1949)