Human beings, each considered as a single actor within society
Featured Individuals
- Thoreau, Henry David (1817-1862) - Trascendentalist philosopher, author and abolitionist, noted for the essay "Resistance to Civil Government"
- Tucker, Benjamin (1854-1939) - Individualist anarchist, publisher of Liberty (1881-1908)
Notable Individuals
- Taylor, Joan Kennedy (1926-2005) - Author, founding member of Feminists for Free Expression
- Theroux, David J. (1949-2022) - Founder, President and CEO of The Independent Institute
- Tocqueville, Alexis de (1805-1859) - Nineteenth century French historian, author of Democracy in America
- Tolkien, J. R. R. (1892-1973) - 20th century English writer and professor of linguistics, author of The Lord of the Rings
- Truman, Harry S. (1884-1972) - Thirty-third president of the United States
- Tullock, Gordon (1922-2014) - Professor of law and economics at George Mason University
- Turgot, Anne Robert Jacques (1727-1781) - 18th century French economist
Other Individuals
- Taber, John (1880-1965) - Politician, member of the United States House of Representatives from New York (1923-1963)
- Tacitus (PVBLIVS CORNELIVS TACITVS; 56-120) - Roman historian, author of the Annales and Historiae
- Taft, Robert A. (1899-1953) - Politician, United States senator from Ohio (1939-1953), Republican presidential candidate in 1944 and 1948
- Taft, William Howard (1857-1930) - Twenty-seventh President (1909-1913) and Chief Justice (1921-1930) of the United States
- Talbott, Harold E. (1888-1957) - American aviation executive, United States Secretary of the Air Force (1953-1955)
- Taussig, Frank William (1859-1940) - Early 20th century professor of economics at Harvard University
- Tawney, R. H. (1880-1962) - British economic historian, author of The Acquisitive Society (1920)
- Taylor, James Stacey - Professor of philosophy at The College of New Jersey
- Teller (1948- ) - Shorter, quieter half of Penn and Teller magician duo
- Telnaes, Ann (1960- ) - Editorial cartoonist, at The Washington Post (2008-2025)
- Terence (PVBLIVS TERENTIVS AFER; 185-159 BCE) - African slave who, after being freed, wrote six comedic plays in Latin
- Teresa, Mother (1910-1997) - Catholic nun, founder of the Missionaries of Charity
- Terrell, Timothy D. - Professor of economics at Wofford College
- Thatcher, Margaret (1925-2013) - Prime Minister of the United Kingdom during the 1980s
- Themistocles (Θεμιστοκλῆς; 524-460 BCE) - Athenian general who commanded the Greek ships in the battle of Salamis (480 BCE), managing to defeat the Persian fleet of Xerxes I
- Thiel, Peter (1967- ) - Co-founder and former CEO of PayPal
- Thiers, Adolphe (1797-1877) - French politician, first president of the Third Republic
- Thies, Clifford F. - Past chair of the Republican Liberty Caucus, professor of economics and finance at Shenandoah University
- Thomas, Clarence (1948- ) - Associate Justice of the U.S. Supreme Court since 1991
- Thomas, Norman (1884-1968) - American socialist leader, one of the founders of the National Civil Liberties Bureau
- Thomas, William R. - Independent scholar, author of Radical for Capitalism: An Introduction to the Political Thought of Ayn Rand (2014)
- Thompson, Dorothy (1893-1961) - American print and radio journalist
- Thompson, Ed (1944-2011) - Former Mayor of Tomah and candidate for Governor of Wisconsin
- Thompson, Ruth (1887-1970) - Politician, member of the United States House of Representatives from Michigan (1951-1957)
- Thornton, Mark (1960- ) - Professor of economics, Senior Fellow at the Ludwig von Mises Institute
- Thornton, Robert M. - American businessman, co-founder of the Nockian Society, author and book reviewer for The Freeman
- Thrasea Paetus, Publius Clodius (PVBLIVS CLODIVS THRASEA PAETVS; -66) - Roman senator known for his opposition to emperor Nero; he was condemned to death by the Senate and ended up committing suicide
- Thrasybulus (Θρασύβουλος; 440-388 BCE) - Athenian general opposed to the Thirty Tyrants, who led a group of exiles in the battle at which Critias, leader of the Thirty, was killed
- Thurmond, Strom (1902-2003) - Politician, United States senator from South Carolina (1956-2003)
- Tiberius (TIBERIVS IVLIVS CAESAR AVGVSTVS; 42 BCE-37) - Second Roman emperor (14-37 CE)
- Tiemann, Michael - Co-founder of Cygnus Solutions; Vice President, Open Source Affairs for Red Hat Inc.
- Timberlake, Richard (1922-2020) - Emeritus Professor of Economics at the University of Georgia
- Timur (1336-1405) - Turco-Mongol conqueror, known as Timur the Lame or Tamerlane, amir of the Timurid Empire (1370-1405)
- Tito, Josip Broz (Јосип Броз Тито; 1892-1980) - Yugoslav revolutionary and politician, president of Yugoslavia (1953-1980)
- Toffler, Alvin (1928-2016) - Writer and futurist, author of Future Shock (1970)
- Tollison, Robert D. (1942-2016) - Professor of economics at George Mason University and Clemson University
- Torvalds, Linus (1969- ) - Software engineer, creator of the Linux operating system
- Tracy, Spencer (1900-1967) - American film actor, winner of two Oscars for best actor
- Trevelyan, G. M. (1876-1962) - English historian, author of three books on Garibaldi and several others on British history
- Trintignant, Jean-Louis (1930-2022) - French actor
- Trotsky, Leon (Лев Троцкий; 1879-1940) - Russian Marxist revolutionary
- Tuccille, Jerome (1937-2017) - Libertarian activist, author of It Usually Begins with Ayn Rand (1971)
- Tucker, Jeffrey (1963- ) - Libertarian author, founder of the Brownstone Institute
- Tupy, Marian - Researcher and writer, co-author of Superabundance: The Story of Population Growth, Innovation, and Human Flourishing on an Infinitely Bountiful Planet (2022)
- Turner, Ted (1938- ) - Founder of the Cable News Network