Henri d'Harcourt, 1st Duke of Harcourt (2 April 1654 – 19 October 1718) was a French noble, created the first Duke of Harcourt and Marshal of France by king Louis XIV.

As son of François III d'Harcourt, Marquis of Beuvron and of Harcourt, he was a member of the ancient House of Harcourt that dates back to the 11th century.

Aged 18, he entered in the army and participated in all the wars of his time.

It is unknown which role he played in the intrigues following Charles's death, but it resulted in the installation of a Bourbon on the throne of Spain.

During the Spanish War of Succession, he commanded the Army of the Rhine in 1709, 1711, and 1712, when he suffered a stroke and was forced to retire.