Human beings, each considered as a single actor within society
  • MacBride, Roger - Lawyer, 1976 Libertarian Presidential candidate
  • Machan, Tibor R. - Professor of philosophy and business ethics, co-founder of Reason magazine
  • Mackey, John - Founder, Chairman of the Board and CEO of Whole Foods Market, Inc.
  • Mack, Richard - Former Sheriff of Graham County, Ariz., challenged "Brady Bill"
  • MacLeod, Ken - Scottish science fiction writer, winner of the 1998 and 1996 Prometheus Awards
  • Madison, James - Author of Federalist essays, fourth President of the United States
  • Magicians - Prestidigitators and illusionists
  • Mandeville, Bernard de - 18th century Dutch philosopher, physician and satirist
  • Margot, Sandra - Married name of former pornographic actress and wrestler Tyfanny Million
  • Marrou, Andre V. - 1992 Libertarian Presidential candidate, 1988 Vice Presidential candidate
  • Marshall, John - Fourth Chief Justice of the United States Supreme Court
  • Mason, George - Author of the Virginia Declaration of Rights
  • Maybury, Richard J. - Investment advisor and author
  • May, Rex F. - Political cartoonist, pen-name: Baloo
  • McCain, John - Republican Senator from Arizona, 2008 Republican Presidential presumptive nominee
  • McElroy, Wendy - Author, individualist feminist
  • McGoohan, Patrick - American-born TV and film actor, creator of the British TV series "The Prisoner"
  • McKern, Leo - Australian-born English film, TV and stage actor
  • McKinley, William - Twenty-fifth President of the United States
  • McPherson, Scott - Policy Advisor to the Future of Freedom Foundation
  • McWilliams, Peter - Author of the Life 101 books and Ain't Nobody's Business If You Do
  • Means, Russell - American Indian Movement activist, actor, singer
  • Melanie - American singer and songwriter
  • Mellor, William H. - Co-founder, President and General Counsel of the Institute for Justice
  • Mencken, H. L. - Journalist, author of The American Language
  • Menger, Carl - Founder of the Austrian School of economics
  • Michael, Terry - Founder and executive director of the Washington Center for Politics & Journalism
  • Milan, Victor - American science fiction writer, winner of the 1986 Prometheus Award
  • Miller, Dennis - American stand-up comedian, Emmy award winner for "Dennis Miller Live"
  • Miller, Vincent H. - President of the International Society for Individual Liberty
  • Million, Tyfanny@ - Professional name of former porn actress Sandra Margot
  • Mill, James - 18th/19th century Scottish economist
  • Mill, John Stuart - Nineteenth century British philosopher and economist
  • Milsted, Carl S., Jr. - Physicist, author, libertarian theoretical activist (self-described)
  • Milton, John - 17th century English poet, author of Paradise Lost
  • Mises, Ludwig von - Austrian school economist, author of Human Action
  • Moby - American techno and dance musician
  • Molinari, Gustave de - 19th century Belgian/French economist, considered the originator of market-anarchism
  • Molyneux, Stefan - Host of "Freedomain Radio," billed as "the largest and most popular philosophy show"
  • Monteleone, Thomas F. - American novelist and editor, winner of Bram Stoker Award
  • Montessori, Maria - Originator of the individualist Montessori educational method
  • Moore, Carol - Libertarian activist, speaker and writer
  • Moore, Stephen - President of the Free Enterprise Fund
  • Morley, Felix M. - 20th century American journalist, editor of the Washington Post and Human Events
  • Morley, Sean - Professional wrestler, a.k.a. Val Venis
  • Morris, Robert - Signer of the U.S. Declaration of Independence, Articles of Confederation and Constitution
  • Muller, Erich "Mancow" - Chicago-based syndicated radio "shock jock"
  • Mullis, Kary B. - 1993 Nobel Prize in Chemistry for invention of the Polymerase Chain Reaction method
  • Murray, Charles - Author, policy analyst, AEI scholar
  • Musicians - Composers, singers or performers of music and songs