- Who is: Mirandola Pico della in Philosophy
- Who is: Muhammad Baqir Majlisi in Philosophy
- Who is: Muhammad al-Shaybani in Philosophy
- Who is he: Marsilius of Inghen in Philosophy
- Who is: Moses Cordovero in Philosophy
- Who is: Mordecai Kaplan in Philosophy
- Who is: Martha Nussbaum in Philosophy
- Who is: Max Weber in Philosophy
- Who is: Muhammad Asad in Philosophy
- Who is: Martin Buber in Philosophy
- Who is: Michael Sandel in Philosophy
- Who is: Muhammad Iqbal in Philosophy
- Who is: Mortimer J. Adler in Philosophy
- Who is he: Montaigne in Philosophy
- Who is: Montesquieu in Philosophy
- Who is: Mohandas Karamchand Gandhi in Philosophy
- Who is: Mikhail Epstein in Philosophy
- Who is: Mary Midgley in Philosophy
- Who he is: Musaeus in Philosophy
- Who is: Moses Hess in Philosophy
- Who is: Maimonides in Philosophy
- Who is: Mary Wollstonecraft in Philosophy
- Who is: Matteo Tafuri in Philosophy
- Who is: Michael Polanyi in Philosophy
- Who is: Marcel Conche in Philosophy
- Who is: Marie-Jean-Antoine-Nicolas de Caritat, Marquis de Condorcet in Philosophy
- Who is: Mikhail Bakhtin in Philosophy
- Who is: Myson of Chenae in Philosophy
- Who is he: Matteo Ricci in Philosophy
- Who is he: Musonius Rufus in Philosophy
- Who is: Mirandola in Philosophy
- Who is: Menno Simons in Philosophy
- Who is: Mulla Sadra in Philosophy
- Who is: Melissus of Samos in Philosophy
- Who is: Mircea Eliade in Philosophy
- Who is he: Muhyiddin Ibn 'Arabi in Philosophy
- Who is: Moritz Schlick in Philosophy
- Who is: Marsilio Ficino in Philosophy
- Who is: Miguel de Unamuno in Philosophy
- Who is: Michael Oakeshott in Philosophy
- Who is: Mario Bunge in Philosophy
- Who is: Maurice Blanchot in Philosophy
- Who is he: Max Horkheimer in Philosophy
- Who is it: Mozi in Philosophy
- Who is: Max Scheler in Philosophy
- Who is: Max Stirner in Philosophy
- Who is: Moses Maimonides in Philosophy
- Who is: Maurice Merleau-Ponty in Philosophy
- Who is: Michel Foucault in Philosophy
- Who is he: Martin Heidegger in Philosophy
- What is it: Metathesis in Philosophy
- What is it: Moral Consequentialist in Philosophy
- What is it: Deontological Morality in Philosophy
- What is it: Raw Material in Philosophy
- What is it: Microcosmic in Philosophy
- What is it: Macrocosmic in Philosophy
- What is it: Mentalism in Philosophy
- What is it: Metatheory in Philosophy
- What is it: Mind-Body in Philosophy
- What is it: Morphology in Philosophy
- What is it: Megalopsia in Philosophy
- What is it: Metaknowledge in Philosophy
- What is it: Utilitarian Morals in Philosophy
- What is it: Methodical in Philosophy
- What is it: Movement in Philosophy
- What is it: Neutral Monism in Philosophy
- What is it: Meta-reality in Philosophy
- What is it: Mundi in Philosophy
- What is it: Memetics in Philosophy
- What is it: Reductive Materialism in Philosophy
- What is it: Metaphysics of Presence in Philosophy
- What is it: Metaphor in Philosophy
- What is it: Materialist Monism in Philosophy
- What is it: Absolutist Morality in Philosophy
- What is it: Relativist Morals in Philosophy
- What is it: Meliorism in Philosophy
- What is it: Bad faith in Philosophy
- What is it: Modernity in Philosophy
- What is it: Dualist Monism in Philosophy
- What is it: Meta-analysis in Philosophy
- What is it: Mimesis in Philosophy
- What is: Maieutic in Philosophy
- What is it: Motivation in Philosophy
- What is it: Historical Materialism in Philosophy
- What is it: Model in Philosophy
- What is it: Meta-ethics in Philosophy
- What is it: Methodology in Philosophy
- What is it: Modus Operandi in Philosophy
- What is it: Moralism in Philosophy
- What is it: Mysticism in Philosophy
- What is it: Morality in Philosophy
- What is it: Monadology in Philosophy
- What is it: Mechanism in Philosophy
- What is it: Dialectical Materialism in Philosophy
- What is it: Myth in Philosophy
- What is it: Modernism in Philosophy
- What is it: Morals in Philosophy
- What is it: Monism in Philosophy
- What is it: Materialism in Philosophy
- What is it: Metaphysics in Philosophy
- What is it: Calm Mind in Stoicism
- What is it: Virtuous Meritocracy in Stoicism
- What is it: Conflict Management in Stoicism
- What is it: Virtuous Morality in Stoicism
- What is it: Maintaining Tranquility in Stoicism
- What is it: Wise Mind in Stoicism
- What is it: Reflective Meditation in Stoicism
- What is it: Rational Mind in Stoicism
- What is it: Inner Master in Stoicism
- What is it: Continuous Improvement in Stoicism
- What is it: Moral Maturity in Stoicism
- What is it: Universal Morality in Stoicism
- What is it: Meta-reflection in Stoicism
- What is it: Managing Emotions in Stoicism
- What is it: Mercy in Stoicism
- What is it: Fear in Stoicism
- What is it: Motivation in Stoicism
- What is it: Maximum Virtue in Stoicism
- What is it: Modesty in Stoicism
- What is it: Morals in Stoicism
- What is it: Mindfulness in Stoicism
- What is it: Meritocracy in Stoicism
- What is it: Maturity in Stoicism
- What is it: Maximum Good in Stoicism
- What is it: Magnanimity in Stoicism
- What is it: Materialism in Stoicism
- What is it: Meditation on Stoicism
- What is it: Mind in Stoicism
- What is it: Morality in Stoicism
- What is it: Moderation in Stoicism