Patrice Lajoye (born 26 July 1974) is a French religious studies scholar and comparative mythologist who specializes on the study of Celtic and Slavic paganism. The co-founder of the journal Nouvelle Mythologie comparée, he currently works for the CNRS at the Maison de la Recherche en Sciences Humaines of the University of Caen, and has served as the sub-editor of Histoire et Sociétés Rurales. Lajoye has also written studies on Russian fantasy and science-fiction literature, as well as translations, anthologies, and novels.