Jean-Paul C. Montagnier (born September 28, 1965 at Lyon) is a French musicologist. He studied at the Conservatoire National Supérieur de Musique de Paris, where he received two first prizes in musical analysis (1988, professor: Claude Ballif) and music history (1989, professor: Yves Gérard), before completing a PhD at Duke University (1994). He is currently Professor of musicology at the University of Lorraine (Nancy, France), and Associate Member of the Institut de Recherche en Musicologie (CNRS). He also was Adjunct Professor at McGill University. He is involved with Musica Gallica, an edition of the works of the musical patrimony of France. He serves on the editorial board of the Collected Works of Jean-Baptiste Lully published by Olms (Germany). He was made Officer in the Order of Arts and Letters by the French Government in 2012.
He specializes in the sacred music of the French Baroque, and has extensively published in numerous international journals. In addition to several books and book chapters, he has also edited many scores and facsimiles. He is regularly invited to lecture and teach in North-American and European universities.
He is a member of several learned societies, among which the American Musicological Society, the Royal Musical Association, and the International Musicological Society.
His grandfather, Georges Montagnier (1892-1967), was a novelist, playwrighter and poet.