Patrizia de Bernardo Stempel (born 5 April 1953) is an Italian philologist, linguist and scholar of Celtic studies.
Between 1977 and 1981, she worked as a research assistant at the Institute of Linguistics of the University of Bonn, then as a lecturer in Italian at the Romance Department until 1986.
The following year, she earned a PhD summa cum laude in Celtic philology, Indo-European linguistics and Romance philology at the University of Bonn, with a dissertation on "The development of the Indo-European liquid and nasal sonants in Celtic".
[1][2] From 1987 to 1989, de Bernardo Stempel was a postdoctoral fellow at the German Research Foundation, then served as a research assistant at the Institute of Linguistics of the University of Bochum from 1989 to 1991.
Between 1991 and 1994, she was a lecturer in Latin and Greek Linguistics at the Department of Classical Philology at the University of Düsseldorf, then a research assistant at the Department of Romance Languages at the University of Mainz (1995–1999).