Jean François de Bette, 3rd Marquess of Lede (6 December 1672 – Madrid, 11 January 1725) was a military commander in Spanish service.
Born in Brussels, son of Ambroise de Bette, 2nd Marquess of Lede and Dorotea, lady of Croÿ.
He is best known for his part in the War of the Quadruple Alliance, when he commanded the Spanish troops who tried to conquer Sardinia and Sicily back from the Austrians in 1718–1719.
The Quadruple Alliance was constituted on 2 August 1718 by Austria, Great Britain, France, and Savoy against the itching wishes of the Spaniards on controlling again the Kingdoms of Sardinia, Sicily, and Naples as they had in the last three centuries before the Treaties of Utrecht and Rastatt.
In 1720–1721, he led a successful expedition to lift the Siege of Ceuta by Sultan Moulay Ismail.