Pierre-Yves Lambert

Pierre-Yves Lambert
Born (1949-05-30) 30 May 1949
CitizenshipFrench
OccupationLinguist
Academic background
EducationÉcole Normale Supérieure (1969)
Academic work
InstitutionsCNRS
École Pratique des Hautes Études
Notable worksLa langue gauloise (1994)

Pierre-Yves Lambert (born 30 May 1949) is a French linguist and scholar of Celtic studies. He is a researcher at the CNRS and a lecturer at the École Pratique des Hautes Études in Celtic linguistics and philology. Lambert is the director of the journal Études Celtiques.

Lambert specializes in the history of the Celtic languages and the study of Celtic literature, in particular the Old Irish, Old Breton, Middle Welsh and Gaulish languages. He is the author of an influential book on the Gaulish language entitled La langue gauloise (1994).

Along with Xavier Delamarre, Lambert is also the co-administrator of Thesaurus Paleo-Celticus, a CNRS project launched in 2019 and aiming to update and replace Alfred Holder's Alt-celtischer Sprachschatz (1913).