Étienne-Paul-Victor Monceaux (29 May 1859 – 7 February 1941) was a 19th-20th-century French historian.
A professor at the Collège de France from 1907 to 1937, he was elected a member of the Académie des Inscriptions et Belles-Lettres in 1912.
His major speciality was Christian Latinity in the Roman provinces of North Africa.