Louis François, marquis de Monteynard (13 May 1713, in La Pierre, Isère – 3 May 1791, in Paris) was a French soldier and statesman.

He participated in all major campaigns of Louis XV, on the battlefields of Italy, Austria, on the island of Minorca, Germany and Holland.

In 1759, he became Lieutenant General, the highest military rank in the period before the title of Marshal of France.

In 1771, he was called by Louis XV to replace Duc de Choiseul to the position of Secretary of State for War.

He also became the first governor general of the Corsica, and was the creator of the cavalry school of Saumur, which gave birth after the Revolution, to the Cadre Noir.