Margaret Elizabeth Mullett (OBE) (born 1946) is a British historian.
[3] Previous to her position at Dumbarton Oaks, she was a Professor of Byzantine Studies and Director of the Institute of Byzantine Studies at the Queen's University of Belfast and Director of the Queen's Gender Initiative.
[4][5] She is the author of Theophylact of Ochrid: Reading the Letters of a Byzantine Archbishop, Variorum, 1997.
[4] With Judith Herrin and Catherine Otten-Froux, she edited a Festchrift for A. H. S. Megaw, published in 2001 by the British School in Athens.
[6] Mullett was created an Officer of the Order of the British Empire (OBE) in the Queen's Birthday Honours 2006.