Human beings, each considered as a single actor within society
Featured Individuals
- Konkin III, Samuel Edward (1947-2004) - Proponent of agorism and author of the New Libertarian Manifesto
Notable Individuals
- Kauffman, Bill (1959- ) - Author, associate editor of The American Enterprise
- Kelley, David (1949- ) - Founder and Executive Director of The Objectivist Center
- Kennedy, John F. (1917-1963) - Thirty-fifth President of the United States
- Kirzner, Israel (1930- ) - Professor of Economics at New York University
- Klausner, Manny - American lawyer, co-founding editor of Reason magazine
- Knight, Frank (1885-1972) - 20th century American economist of the Chicago School
Other Individuals
- Kazan, Elia (1909-2003) - American movie director, producer and writer
- Keating, Kenneth (1900-1975) - American politician, United States senator from New York (1959-1965)
- Keaton, Diane (1946- ) - American film and stage actress, winner of Best Actress Oscar for Annie Hall
- Kefauver, Estes (1903-1963) - American politician, United States senator from Tennessee (1949-1963)
- Kelley, Augustine B. (1883-1957) - American politician, member of the United States House of Representatives from Pennsylvania (1941-1957)
- Keynes, John Maynard (1883-1946) - English economist, author of The General Theory of Employment, Interest and Money
- Khrushchev, Nikita (Никита Хрущёв; 1894-1971) - Russian politician, General Secretary of the Communist Party of the Soviet Union (1953-1964)
- Kilgore, Harley M. (1893-1956) - American politician, United States senator from West Virginia (1941-1956)
- Kingsley, Ben (1943- ) - British actor, Oscar winner for title role in Ghandi
- Kirk, Russell (1873-1945) - American conservative political theorist, author of The Conservative Mind (1953)
- Kolko, Gabriel (1932-2014) - American historian, author of The Triumph of Conservatism (1963)
- Kramer, Stanley (1913-2001) - American movie director and producer
- Kubrick, Stanley (1928-1999) - American film director, notable for Dr. Strangelove, 2001: A Space Odissey and other works
- Kumārajīva (344-413) - Buddhist monk, noted for translating various Sanskrit text into Chinese
- Kwiatkowski, Karen (1960- ) - Retired U.S. Air Force lieutenant colonel, columnist for MilitaryWeek.com