Abbé François-Xavier-Marc-Antoine de Montesquiou-Fézensac (château de Marsan, Gers, 3 August 1757 - château de Cirey-sur-Blaise, Haute-Marne, 4 February 1832) was a French politician.
He left behind manuscripts on the lives of Louis XV and Louis XVI and a diary of his trip to the USA and Canada, but never published a work.
| Government offices | ||
|---|---|---|
| Preceded by Jacques Claude Beugnot |
Interior Minister 1814-1815 |
Succeeded by Lazare Nicolas Marguerite Carnot |
| Academic offices | ||
| Preceded by Jean-Sifrein Maury |
Seat 15 of the Académie française 1816-1832 |
Succeeded by Antoine Jay |