Louis-Marie-Florent de Lomont d'Haraucourt, marquis later duc du Châtelet, was an aristocratic French Army general and diplomat of the Ancien Régime.
- Occupation
- politician, diplomat, military personnel
- Position held
- deputy to the Estates-General of 1789, Ambassador of France to Great Britain
- Citizenship
- France
- Born
- November 20, 1727
- Died
- December 13, 1793