Jessica M. Marglin is an American historian of religion. She is an Associate Professor of Religion at University of Southern California (USC) and served as USC's Ruth Ziegler Early Career Chair in Jewish Studies from 2016 to 2019.[1][2][3] She is the author of Across Legal Lines: Jews and Muslims in Modern Morocco,[4][5][6] which won the 2016 Baron Book prize, awarded by the American Academy for Jewish Research for best first book in Judaic studies.[7]