Maria de Fátima Silva de Sequeira Dias (12 October 1958 – 7 January 2013) was an Azorean historian, author, and academic. A professor in the Department of Management and Economics at the University of the Azores, she specialized in the history of the Azores, an autonomous region of Portugal. Much of Sequeira Dias' research centered on the history of the Azores. More specifically, she specialized in the history of Judaism in the Azores, as well as the influence of the Jewish population on the economic development of the islands.