Gabriel-Marie-Théodore-Joseph, comte d'Hédouville (27 July 1755 in Laon, Aisne – 30 March 1825) (also Thomas Hedouville) was a French soldier and diplomat.

He fought at the Battle of Valmy on 20 September 1792 and was made general de brigade and chief of staff to the Army of Moselle the following March.

[2][3] Toussaint's military leadership during the Haitian Revolution resulted in the rebellious slaves gaining the upper hand and restoring most of Saint-Domingue to France.

[5] After his time on Saint-Domingue, Hédouville was employed by the Armée d'Angleterre before returning to western France in January 1800 to take over from Hoche as commander-in-chief of the Army of the West He again negotiated a peace settlement with the Royalists.

He was appointed as the Consulate's minister plenipotentiary at Saint Petersburg, Russia, from 1801 to 1804, when the Tsar broke relations with France.