Joëlle Rollo-Koster is a French medievalist working as a professor of medieval history at the University of Rhode Island.^[1]

Joëlle Rollo-Koster received her undergraduate degree and master's degree in history from the University of Nice, France. She earned a Ph.D. in History at SUNY Binghamton in 1992 where she was a student of Richard Trexler.^{[citation needed]}

On December 6, 2016, she was knighted by the French government with the medal of Chevalier des Palmes académiques.^[2][3] In 2017-2018 she was a EURIAS Fellow at the Swedish Collegium for Advanced Study.^[4][5] In 2024, she was elected a fellow of the Medieval Academy of America.^[6]

• Raiding Saint Peter: Empty Sees, Violence, and the Initiation of the Great Western Schism (1378), 2008, Brill, ISBN 9789047433118
• The People of Curial Avignon: A Critical Edition of the Liber Divisionis and the Matriculae of Notre Dame la Majour, 2009, Edwin Mellen Press, ISBN 077344680X
• Avignon and Its Papacy, 1309–1417: Popes, Institutions, and Society, 2015, Rowman and Littlefield, ISBN 9781442215320
• The Great Western Schism, 1378–1417: Performing Legitimacy, Performing Unity, 2022, CUP, ISBN 9781107168947

• Medieval and Early Modern Ritual: Formalized Behavior in Europe, China and Japan, 2002, Brill, ISBN 9789004117495
• (Co-edited, with Thomas M. Izbicki) A Companion to the Great Western Schism (1378-1417), 2009, Brill, ISBN 9789004162778
• (Co-edited, with Kathryn Reyerson) For the Salvation of my Soul: Women and Wills in Medieval and Early Modern France, 2012, Centre for French History and Culture of the University of St Andrews, ISBN 9781907548086^[7]
• Death in Medieval Europe: Death Scripted and Death Choreographed, Routledge, 2016, ISBN 9781138802131

• 2008 Adèle Mellen Prize for Distinguished Contribution to Scholarship^[8]
• 2016 The medal of Chevalier des Palmes académiques^[9]
• 2018 URI: Recipient URI Foundation, Scholarly Excellence Award^[10]