Maurice Prou (28 December 1861 in Sens - 4 October 1930) was a French archivist, paleographer and numismatist.He studied at the École des Chartes and École française de Rome, afterwards working at the Cabinet des médailles de la Bibliothèque nationale. In 1889, following the death of Arthur Giry (1848-1899), he was appointed professor of diplomatics at the École des Chartes. In 1916 he became the school's director, a position he maintained until 1930.