Bonaventure Panet (July 27, 1765 – March 12, 1846) was a businessman and politician in Lower Canada.
He was born in Montreal in 1765, the son of Pierre Panet, and studied at the Collège Saint-Raphaël there. In 1786, he married his cousin Marguerite, the daughter of Louis Dunière. He set up in business as a merchant at L'Assomption. Panet was elected to the 1st Parliament of Lower Canada for Leinster in 1792 and was reelected in 1796. His cousin, Jean-Antoine Panet, was elected as the first speaker for the assembly and his brother Pierre-Louis and father-in-law were also members of the legislative assembly. Panet was elected again for Leinster in 1809; the assembly was dissolved by Governor James Henry Craig in 1810 and Panet did not run for elected office again. He served as captain in the militia during the War of 1812 and was promoted to major in 1818. Panet was named justice of the peace for Montreal district in 1821 and was also named to various commissions.
He died at L'Assomption in 1846.