Marie-Thérèse Morlet (Guise, Aisne, November 18, 1913 - July 9, 2005[1]) was a French scholar (specialist in onomastics)[2] and honorary director of research at CNRS.
Her publications include Dictionnaire étymologique des noms de famille (Etymological Dictionary of Family Names).
Her book Les noms de personne sur le territoire de l'ancienne Gaule du VIe au XIIe siècle (Personal Names in the Territory of the former Gaul from the 4th to the 13th Century, abbreviated NPAG) is an anthroponymical dictionary covering the evolution of names in France up to the Middle Ages.
The work is published by the CNRS, structured as a series of alphabetical lists and made up of three volumes.
The geographical study corresponds to modern France with the work of Ernest Nègre on ancient Gaul with publications by Marie-Thérèse Morlet.