Paul Léon (2 October 1874 – 1 August 1962) was a French art professor and historiographer.

After a few years of teaching, he was employed by the Ministry of Public Works, then became a contributor and staff member at the Annales de géographie.

In 1905, he found a position as chief-of-staff to the Undersecretary of State for Fine Arts, Étienne Dujardin-Beaumetz [fr].

[2] During that time, in 1922, he was elected to the Académie des Beaux-Arts, where he took Seat #6 in the "Unattached" section.

He retired from his functions as Director General in 1933 to become a professor at the Collège de France, teaching the history of monumental art.