Marjorie Keniston McIntosh (born 15 November 1940) is an American historian of Great Britain.
McIntosh studied at the Institute of Historical Research in London, England, in 1965–66 and was awarded her Ph.D. in Tudor/Stuart history by Harvard in 1967.
She founded the Center for British and Irish Studies at the University of Colorado at Boulder and served as its first executive director.
She later taught, organized, and trained students at another local university to conduct a historical study based on interviews and photo documentation of Muslims living in villages on the slopes of Mt.
Dr McIntosh has published numerous books: She has also contributed chapters to several anthologies: Scholarly articles written by Dr McIntosh have been published in such scholarly and academic journals as Harvard Graduate fellow, 1962–64 Frank Knox Memorial Traveling Fellow, 1965–66 Howard Foundation Fellow, Brown University, 1976–77 National Endowment for the Humanities Research Fellow, 1983–84 Dean's Writing Prize, University of Colorado at Boulder, 1985, 1988 Arts and Humanities Writing Award, University of Colorado at Boulder, 1989 President's Award for Outstanding Service, University of Colorado, 1990 Essex Book Award, 1991, for A Community Transformed: The Manor and Liberty of Havering, 1500–1620 Robert L. Stearns Award for Extraordinary Achievement, University of Colorado at Boulder, 1995 Excellence in Teaching Award, Boulder Faculty Assembly, University of Colorado, 1995 John Simon Guggenheim Memorial Foundation Fellow, 1995–96 University of Colorado grants, 1998–99, 2002–03, 2004.