Philippe d'Orléans (Philippe Charles; 2 August 1674 – 2 December 1723) is a member of the royal family of France and serves as Regent of the Kingdom from 1715 to 1723.

Born at his father's palace at Saint-Cloud, he is known from birth under the title of Duke of Chartres.

His father is Louis XIV's younger brother Philippe I, Duke of Orléans, known as Monsieur; his mother is Elizabeth Charlotte of the Palatinate.

In 1692, Philippe marries his first cousin, Françoise Marie de Bourbon - the youngest legitimized daughter (légitimée de France) of Philippe's uncle Louis XIV and Madame de Montespan.

Named regent of France for Louis XV until Louis attains his majority in February 1723, the era of his de facto rule is known as the Regency (1715–1723).

He dies at Versailles in 1723.

He is referred to historically as le Régent.