- Haberler, Gottfried - 20th century Austrian-born economist
- Hancock, John - Signer of the U.S. Declaration of Independence, president of the Second Continental Congress
- Harding, Warren G. - Twenty-ninth President of the United States
- Harper, Floyd A. - Economics professor, founder of the Institute for Humane Studies
- Harris, Sharon - President of The Advocates for Self-Government
- Havel, Vaclav - First President of the Czech Republic
- Hayek, Friedrich A. - 1974 Nobel Prize winner in Economics Sciences
- Hazlitt, Henry - Journalist, author of Economics in One Lesson
- Heinlein, Robert A. - American science fiction writer
- Henry, Patrick - American revolutionary figure, famous for "Give me liberty or give me death" speech
- Herbert, Auberon - Nineteenth century English philosopher and Member of Parliament
- Hermann, Edward - Film, stage and television actor
- Hess, Karl - Editor of Libertarian Party News 1986-1990, Barry Goldwater speechwriter
- Heston, Charlton - American movie actor, winner of Oscar for Ben-Hur
- Higgs, Robert - Senior Fellow in Political Economy for The Independent Institute
- Historians - Researchers and writers about past events
- Hogan, James P. - British-born science fiction author, winner of the 1993 and 1983 Prometheus Awards
- Hornberger, Jacob G. - President of the Future of Freedom Foundation
- Hospers, John - Professor of philosophy, 1972 Libertarian Presidential candidate
- Houston, Sam - Nineteenth century American politician, governor of Texas and Tennessee
- Hume, David - 18th century Scottish philosopher
- Hummel, Jeffrey Rogers - Professor of economics and history at San Jose State University
- Humorists - Experts at satire and witticism
- Hutcheson, Francis - 18th century Irish philosopher
- Hutt, William H. - 20th century British-born economist
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