Joseph Adélard Descarries, KC (November 7, 1853 – July 25, 1927) was a French Canadian lawyer and politician.

Born in Saint-Timothée, Canada East, and educated at McGill University and Université Laval in Montreal.

He studied law with Alexandre Lacoste, was called to the Quebec Bar in 1879 and was created a Queen's Counsel in 1903.

He resigned in 1895 and was defeated in 1895 by-election in the federal riding of Jacques Cartier.

He ran unsuccessfully as an Independent candidate in the 1921 federal election.