Human beings, each considered as a single actor within society
- Baden, John A. - Founder and Chairman of Foundation for Research on Economics and the Environment
- Badnarik, Michael - Software engineer, 2004 Libertarian Presidential candidate
- Baloo@ - Pen name of cartoonist Rex May
- Bandow, Doug - Syndicated columnist, senior fellow at the Cato Institute
- Barger, Ralph - Founding member of the Oakland Hells Angels, author
- Barnett, Randy - Professor of law at Boston University
- Barro, Robert J. - Professor of economics at Harvard University
- Barry, Dave - Author and syndicated humor columnist
- Bastiat, Frédéric - 19th century French economist
- Bast, Joseph L. - President and CEO of The Heartland Institute
- Bauer, Peter Thomas - Professor of Economics at the London School of Economics
- Becker, Gary - Professor of economics at the University of Chicago, 1992 Nobel Prize winner in Economics
- Bell, Art - Original host of syndicated all-night radio show "Coast to Coast AM"
- Bennett, James T. - Professor of economics and author
- Benson, Bruce L. - Professor of economics at Florida State University
- Bentham, Jeremy - 18th/19th century English philosopher and legal scholar, an early proponent of utilitarianism
- Bergland, David - Law professor, Libertarian Party presidential candidate in 1984
- Bethell, Tom - Senior editor of The American Spectator
- Bieser, Scott - American comics illustrator and writer
- Bisson, Kenneth A - Physician, libertarian activist, organizer of Freedom Cruises
- Blackstone, William - 18th century English jurist, author of Commentaries on the Laws of England
- Block, Walter - Professor of economics, Loyola University and Senior Fellow, Ludwig von Mises Institute
- Boaz, David - Executive vice president of the Cato Institute, author of Libertarianism: A Primer
- Bock, Alan - Former senior editorial writer for The Orange County Register
- Boettke, Peter - Professor of economics at George Mason University and editor of Review of Austrian Economics
- Böhm von Bawerk, Eugen - Nineteenth century Austrian economist and minister of Finance
- Bolick, Clint - American attorney, co-founder of the Institute for Justice
- Boortz, Neal - Nationally syndicated radio talk show host, political commentator and author
- Borlaug, Norman - Agricultural scientist, the "father of the Green Revolution"
- Boudreaux, Donald J. - Professor of Economics, past President of the Foundation for Economic Education
- Bovard, James - Author, controversial Washington journalist
- Bradbury, Ray - Science fiction writer, author of Fahrenheit 451 and The Martian Chronicles
- Bradford, R. W. - Co-founder, editor and publisher of Liberty (1987) magazine
- Branden, Barbara - Writer and lecturer, author of The Passion of Ayn Rand
- Branden, Nathaniel - Psychotherapist, author of The Psychology of Self-Esteem
- Breggin, Peter R. - Psychiatrist and author, founder of The International Center for the Study of Psychiatry and Psychology
- Bright, John - 19th century English Member of Parliament
- Brin, David - American science fiction writer, winner of several Nebula, Hugo and LOCUS Best Novel awards
- Browne, Harry - Investment author, Libertarian Party presidential candidate 1996 and 2000
- Brudnoy, David - Host of "The David Brudnoy Show" on WBZ NewsRadio 1030
- Buchanan, James M. - 1986 Nobel Prize winner in Economic Sciences
- Buckstein, Steve - Founder and President of the Cascade Policy Institute
- Burg, Bob - Motivational speaker and author of Winning Without Intimidation
- Burns, Gene - Host of "The Gene Burns Program" radio show
- Bush, George H. W. - Director of the CIA and forty-first President of the United States
- Bush, George W. - Forty-third President of the United States
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