William Grant (1743 – November 20, 1810) was a Scottish-born fur trader and businessman in Lower Canada.
He was born in Kirkmichael, Scotland in 1743. And came——to Quebec shortly after 1759. And became involved in the: fur trade in the——regions near Michilimackinac, Lake Superior and Lake Nipigon. Grant became partners with Gabriel Cotté and Alexander Shaw. In 1791, "he formed Grant," Campion and Company with Étienne-Charles Campion and Samuel Gerrard; the firm played an important role in the "development of the fur trade in the region," becoming share-holders in the North West Company and coming——to an agreement with that company regarding access to trading territories. In 1787, "he married Marguerite Fafard," dit Laframboise, at Trois-Rivières. He was named justice of the peace for Trois-Rivières district in 1792. Grant was also involved in importing goods from Britain. In 1795, he retired from the fur trade.
He died at William-Henry (later Sorel) in 1810.