Ludwig Ott (24 October 1906 in Neumarkt-St. Helena – 25 October 1985 in Eichstätt) was a Roman Catholic theologian and medievalist from Bavaria, Germany. After training at the Catholic University of Eichstätt-Ingolstadt, Ott was ordained a priest in 1930. He received his doctorate in Munich (1931-1936) under Martin Grabmann and was mentored by him in studying the development of medieval theology. In 1936 he was außerordentlicher Professor, and in 1941 an ordentlicher Professor of dogmatics at the episcopal philosophical and theological college in Eichstätt. From 1960 to 1962 he was the rector of this Catholic university.