Marie Charles Denis Paul Leduc (born January 28, 1889, date of death unknown) was an Ontario barrister, solicitor and political figure. He represented Ottawa East in the Legislative Assembly of Ontario as a Liberal member from 1934 to 1940.
He was born in Montreal, the son of Napoléon Leduc, and was educated there and at the Université Laval. In 1917, he married Gabrielle Belcourt, who was the daughter of Napoléon Belcourt. Leduc served as Minister of Mines in the provincial cabinet from 1934 to 1940.