Pierre-Louis Jean Casimir, Count of Blacas d'Aulps, later created 1st Duke of Blacas (1821), was a French antiquarian, nobleman and diplomat during the Bourbon Restoration.
- Occupation
- diplomat, politician, archaeologist, numismatist
- Position held
- Pair of France
- Citizenship
- Kingdom of France
- Born
- January 10, 1771, January 12, 1771
- Died
- November 17, 1839
