Pierre-Joseph Alary (19 March 1689, Paris - 15 December 1770) was a French ecclesiastic and writer.
Prior of Gournay-sur-Marne and sous-précepteur to Louis XV, he attended the salon of Madame de Lambert, was elected to the Académie française in 1723 and was the main founder of the Club de l'Entresol, an early modern think tank that operated until 1731.
Bachaumont commented on Alary's election to the Académie française:Alary's successor in the Académie, Gabriel-Henri Gaillard, gave a completely different portrait: