Jacques d'Étampes, 1st Marquis of La Ferté-Imbault and Mauny (1590 – 20 May 1668), was a French soldier created Marshal of France during the reign of King Louis XIV.

He was the eldest son of Claude d'Estampes (1526–1591), Baron of La Ferté-Imbault, and Jeanne de Hautemer, Lady of Mauny.

In 1620, as second lieutenant of the Gendarmes of the Duke of Orléans, he was at the Battle of Ponts-de-Cé at the end July 1620, in the victorious army, commanded by the Marquis de Créquy and the Count of Bassompierre.

He took part in the Sieges of Saint-Jean-d'Angély, Nérac, Tonneins, Clérac (from July to August as maréchal de camp), Royan, and Montauban (from October to November 1621).

In 1635 he served in the Netherlands and distinguished himself at the Battle of Les Avins, won by Marshals Châtillon and Brézé over Prince Thomas of Savoy.

He prevented the embarkation of 14,000 Irish, recruited by the Spanish, for the defense of Perpignan, and himself raised 6,000 Scots for the service of France.

He had been created 1st Marquis of La Ferté-Imbault and Mauny, a courtesy titles given by the king from the 1620s, that wasn't confirmed until 1651 when he was elevated to Marshal of France.

[9] He was an honorary advisor to all the Parliaments and Sovereign courts of the Kingdom, as Marshal of France, and was received in this capacity at the Parlement of Paris in 1654.

Together, they were the parents of:[4] During her husband's campaigns, Madame de la Ferté-Imbault usually resided at the Château du Mont-Saint-Sulpice.

From 1627, he also restored his Château de La Ferté-Imbault, which had fallen victim to the Wars of Religion in 1562, and modernized the one at Mauny, near Rouen.