Leonard Krieger (1918–1990) was an American historian who paid particular attention to Modern Europe, especially Germany. He was influential as an intellectual historian, and particularly for his discussion of historicism. He has been called "the most intellectual historian in the United States during the Cold War".
- The German Idea of Freedom (1957)
- The Politics of Discretion (1965)
- "Culture, Cataclysm, and Contingency," The Journal of Modern History Vol. 40, No. 4, December 1968
- Kings and Philosophers 1689-1789 (1970)
- "The Historical Hannah Arendt," The Journal of Modern History Vol. 48, No. 4, December 1976
- Ranke: The Meaning of History (1977)
- Time's Reasons (1989)
- Ideas and Events: Professing History (1992)
- Aubrey Neal, How Skeptics Do Ethics: A Brief History of the Late Modern Linguistic Turn (2007), p. 186.
- Staff. A COMMUNITY OF SCHOLARS: The Institute for Advanced Study Faculty and Members 1930-1980, p. 248. Institute for Advanced Study, 1980. Accessed November 22, 2015. "Krieger, Leonard 63s, 69-70 HS, Modern Europe Born 1918 Newark, NJ."
- Carl E. Schorske, "Obituary: Leonard Krieger 1918-1990", Journal of the History of Ideas, Vol. 52, No. 2 (April–June 1991), pp. 340
- Malachi Haim Hacohen, "Review: Leonard Krieger: Historicization and Political Engagement in Intellectual History", History and Theory, Vol. 35, No. 1 (February 1996), pp. 80–130