Charles-Jean-Baptiste Chaboillez (July 9, 1736 - September 25, 1808), of Montreal, was one of the most influential French Canadian fur traders after the British Conquest of New France and a founding member of the Beaver Club.

By 1769, he had already amassed a personal fortune of some 30,000 livres and the following year an investment of £2,550 in the fur trade put him in the forefront of Canadian investors.

In 1785, he went into partnership with other Montreal outfitters and merchants at Michilimackinac, one being Étienne-Charles Campion, to form the General Company of Lake Superior and the South.

In 1786, Chaboillez joined with McTavish, the Frobisher brothers, James McGill and others merchants to ask Sir John Johnson to establish peace among the Indian tribes in the upper Mississippi region.

He was churchwarden of the parish of Sainte-Anne-de-Michillimakinac and was appointed Captain in Montreal's 2nd Militia Battalion and in 1799 he was promoted major, retiring in 1802.