Wallace Trevethic MacCaffrey (April 20, 1920 – December 13, 2013) was Professor Emeritus of History at Harvard University.^[1] He was a graduate of Reed College and Harvard University.^[2] He also taught at the University of California, Los Angeles and Haverford College. Among his awards is a Guggenheim fellowship.^[3] He was a leading scholar of Elizabethan England, best known for his trilogy of books, The Shaping of the Elizabethan Regime (1968), Queen Elizabeth and the Making of Policy, 1572-1588 (1981) and Elizabeth I: War and Politics, 1588-1603 (1992).

He died, aged 93, on 13 December 2013 at Addenbrooke's Hospital, Cambridge, following a short illness and is buried at St Andrew's church, Girton.

MacCaffrey served as the Harvard History chair twice, and presided over a period of turmoil in the department.^[4]

He gave Reed College a $1 million donation in 2006.

• Exeter, 1540-1640: The Growth of an English County Town (Harvard University Press, 1958)
• The Shaping of the Elizabethan Regime: Elizabethan Politics, 1558-1572 (Princeton University Press, 1968)
• William Camden, History of the Most Renowned and Victorious Princess Elizabeth, Late Queen of England (editor; University of Chicago Press, 1970)
• Queen Elizabeth and the Making of Policy, 1572-1588 (Princeton University Press, 1981)
• Elizabeth I (Edward Arnold, 1993)
• Elizabeth I: War and Politics, 1588-1603 (Princeton University Press, 1994)