Charles-Séraphin Rodier (4 October 1797 – 4 February 1876) was a Canadian merchant, lawyer, mayor of Montreal and legislative councillor of Quebec.

Born in Montreal, Lower Canada, the son of Jean-Baptiste Rodier and Julie-Catherine Le Jeune, Rodier was a merchant who ran a dry goods shop in Montreal.

He was the first merchant in Montreal to import goods from Great Britain and France.

He decided to become a lawyer and studied law with Samuel Cornwallis Monk and Alexander Buchanan.

In 1867, he was appointed Legislative Council of Quebec for the division of De Lorimier.