Ambroise-Polycarpe de La Rochefoucauld GE (2 April 1765 – 2 June 1841), 1st Duke of Doudeauville, was a French soldier and politician.

His sister, the Countess of Durtal, was guillotined in Paris in 1794 during the Reign of Terror alongside their uncle, Louis Desacres de l'Aigle.

[1] His paternal grandfather was Alexandre-Nicolas de La Rochefoucauld, 4th Marquis of Surgères, who was cited by Voltaire in his Éloges.

[2] At age 16, he joined the Dragoons as a Second lieutenant, serving in the King's Army until 1792, rising to the rank of Deputy-Major of Cavalry.

During the French Revolution he emigrated, and made a series of tours of different countries of Europe, returning to France under the Consulate, but staying out of politics.

[2] On 4 August 1824 King Charles X appointed La Rochefoucauld Minister of the Royal Household in place of Marshal Jacques Lauriston.