Lloyd C. Gardner (born 1934) is a diplomatic historian. He is the Charles and Mary Beard Professor of History at Rutgers University, where he has taught since 1963. A specialist in 20th century foreign policy, Gardner has held several national fellowships, including two Fulbright Professorships in England and Finland, and a Guggenheim Fellowship. He is author or editor of 16 books on American foreign policy.
- Lloyd C. Gardner, "Economic Aspects of New Deal Diplomacy", Madison: University of Wisconsin Press, 1964; paperback, Boston: Beacon Press, 1971.
- Lloyd C. Gardner, "Architects of Illusion: Men and Ideas in American Foreign Policy, 1941-1949", Chicago: Quadrangle Books, 1970.
- Lloyd C. Gardner, "Imperial America: American Foreign Policy Since 1898", NY: Harcourt Brace Jovanovich Inc., 1976
- Lloyd C. Gardner, "A Covenant With Power: America and the World From Wilson to Reagan", London: Macmillan, 1984.
- America in Vietnam: A Documentary History, with William A. Williams et al. Garden City, NY: Anchor Press/Doubleday, 1985.
- Lloyd C. Gardner, "Approaching Vietnam: From World War II through Dienbienphu, 1941-1954", NY: W.W. Norton & Co., 1988.
- Lloyd C. Gardner, "Spheres of Influence: The Great Powers Partition Europe from Munich to Yalta", Chicago: Ivan R. Dee, 1993.
- Lloyd C. Gardner, "Pay Any Price: Lyndon Johnson and the Wars for Vietnam", Chicago: Ivan R. Dee, 1995.
- Lloyd C. Gardner and Ted Gittinger, eds., "Vietnam: The Early Decisions", Austin: University of Texas Press, 1997.
- Lloyd C. Gardner and Ted Gittinger, eds.,"International Perspectives on Vietnam", College Station, TX: Texas A&M University of Press, 2000.
- Andreas W. Daum, Lloyd C. Gardner and Wilfried Mausbach, eds., America, the Vietnam War and the World: Comparative and International Perspectives, Cambridge, UK: Cambridge University Press, 2003.
- Lloyd Gardner and Marilyn B. Young, eds., "The New Empire: A 21st-Century Teach-In on U.S. Foreign Policy", NY: The New Press, 2003.
- Lloyd C. Gardner, "The Case That Never Dies: The Lindbergh Kidnapping", Rutgers University Press, 2004.
- Lloyd C. Gardner and Marilyn B. Young, eds., "Iraq and the Lessons of Vietnam: Or, How Not to Learn From the Past", NY: The New Press, 2007.
- Lloyd C. Gardner, "The Long Road to Baghdad: A History of U.S. Foreign Policy From the 1970s to the Present", NY: The New Press, 2008.
- Lloyd C. Gardner, "Three Kings: The Rise of an American Empire in the Middle East After World War II", NY: The New Press, 2009.
- Lloyd C. Gardner, "The Road to Tahrir Square: Egypt and the United States from the Rise of Nasser to the Fall of Mubarak", NY: The New Press, 2011.
- Lloyd C. Gardner, "The Killing Machine: The American Presidency in the Age of Drone Warfare" NY: The New Press, 2013.