Michael C. Questier is an English academic and historian.
Questier studied at Worth School and Balliol College, Oxford. In 1991 he completed a D.Phil at the University of Sussex on early modern politico-religious history. He has published works on post-Reformation history, and English Catholicism between the early Reformation and the English Civil War, particularly focusing on anti-popery, aristocratic culture, the Jacobean exchequer, and the experience of conversion. He taught at Worcester College, Oxford, was a British Academy Postdoctoral Fellow at King's College London, and in 2002, became a senior lecturer at Queen Mary, University of London, subsequently becoming its Professor of Early Modern British and European History. He has also been a Visiting Fellow at All Souls College, Oxford.