Auguste Longnon

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Auguste Longnon" – news · newspapers · books · scholar · JSTOR (March 2024) (Learn how and when to remove this message)

Auguste Honoré Longnon (18 October 1844, in Paris – 12 July 1911, in Paris) was a French historian and archivist. He is remembered for his research in the field of historical geography and for his edition of the 15th century poet, Francois Villon.