François V de Beauharnais, Marquis de La Ferté-Beauharnais (16 January 1714, La Rochelle – 18 June 1800, Saint-Germain-en-Laye) was a French nobleman, soldier, politician, colonial governor and admiral.

[2] In 1751, he was made chef d'escadre des vaisseaux du roi, then governor of Martinique.

On 20 April 1752, he acquired the château de La Ferté-Avrain, which had recently been rebuilt.

In recognition of his services to France, on 7 July 1764 Louis XV promoted him to the status of marquis, allowing him to raise his lands at La Ferté-Avrain into the marquisat.

François V de Beauharnais is the ancestor of Nicolas of Leuchtenberg, Napoleon III and the current royal houses of Norway, Sweden, Denmark, Luxembourg, and Belgium through Josephine of Leuchtenberg, later Queen of Sweden.