Ralph Whitney Mathisen is an American ancient historian, specializing in the history of Late antiquity. Currently he is the Professor of History, Classics, and Medieval Studies at the University of Illinois Urbana-Champaign. From 1996 to 2004 he was the Louise Fry Scudder Professor of Humanities at the University of South Carolina. He also has served the founding editor of the Journal of Late Antiquity and one of the editors of Late Antiquity Newsletter, Medieval Prosopography and De Imperatoribus Romanis.

Roman aristocrats in barbarian Gaul
1993
ISBN 9780292770515
Ancient Mediterranean civilizations
2012
ISBN 9780195378382
The Oxford Handbook of the Merovingian World
2020
ISBN 9780190234188
Ecclesiastical factionalism and religious controversy in fifth-century Gaul
1989
ISBN 9780813206585
Studies in the history, literature and society of Late Antiquity
1991
ISBN 9789025609832
Ruricius of Limoges and Friends
1999
ISBN 9780853237037
Law, society, and authority in late antiquity
2001
ISBN 9780199240326
People, personal expression, and social relations in late antiquity ; vol. 1
2002
ISBN 9780472112456
Society and Culture in Late Antique Gaul
2002
ISBN 9780754606246
The battle of Vouille, 507 CE
2012
ISBN 9781283629270
Sources for Ancient Mediterranean Civilizations
2016
ISBN 9780190280918
Ancient Roman Civilization
2018
ISBN 9780190849603
Ancient Roman Civilization : History and Sources
2018
ISBN 9780190849641