Anne-Pierre, marquis de Montesquiou-Fézensac (17 October 1739 – 30 December 1798) was a French general and writer.

He assumed command of the Army of the Midi in February 1792 and successfully invaded Savoy in September.

He entered the army in 1754, was successively colonel of the Grenadiers and the Royal-Vaissaux regiment, and in 1780 was made maréchal-de-camp.

[1] He served on the committee charged with the issue of assignats, and was named president of the Constituent Assembly on 14 March 1791.

In 1795 his name was erased from the list of émigrés and he returned to Paris, where he died on 30 December 1798.