By Series - World Philosophers and Their Works
- Jean-Paul Sartre
- Jeremy Bentham
- Jerry A. Fodor
- Jiddu Krishnamurti
- Johann Gottlieb Fichte
- Johannes Scotus Erigena
- John Dewey
- John Duns Scotus
- John Henry Newman
- John Locke
- John R. Searle
- John Rawls
- John S. Mbiti
- John Stuart Mill
- John Wisdom
- Jonathan Edwards
- José Ortega y Gasset
- Joseph Butler
- Josiah Royce
- Julia Kristeva
- Julien Offroy de La Mettrie
- Jürgen Habermas
- Karl Jaspers
- Karl Marx
- Karl Raimund Popper
- Keiji Nishitani
- Kitarō Nishida
- Kwame Anthony Appiah
- Leo Strauss
- Leo Tolstoy
- Lin Yutang
- Louis Althusser
- Luce Irigaray
- Lucretius
- Ludwig Feuerbach
- Ludwig Wittgenstein
- Mahatma Gandhi
- Mao Zedong
- Marcel Mauss
- Marcus Aurelius
- Martha Craven Nussbaum
- Martin Buber
- Martin Heidegger
- Martin Luther King, Jr.
- Mary Midgley
- Mary Wollstonecraft
- Masao Abe
- Maurice Blanchot
- Maurice Merleau-Ponty
- Max Weber
