Auguste Honoré Longnon 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.
- Occupation
- historian, professor, archivist, romanist
- Position held
- president of the Société de l'histoire de France, chairperson
- Citizenship
- France
- Born
- October 18, 1844
- Died
- July 13, 1911
