| Onésiphore Carbonneau | |
| Constituency Mp: | L'Islet |
| Parliament: | Canadian |
| Predecessor: | Alphonse-Arthur Miville Déchêne |
| Successor: | Eugène Paquet |
| Term Start: | 1902 |
| Term End: | 1904 |
| Birth Date: | 17 June 1852 |
| Birth Place: | Berthier-en-Bas, Canada East |
| Party: | Liberal |
Onésiphore Carbonneau (June 17, 1852 - February 25, 1932) was a Canadian merchant and political figure in Quebec. He represented L'Islet in the House of Commons of Canada from 1902 to 1904 as a Liberal.
He was born in Berthier-en-Bas, Canada East, the son of J.O. Carbonneau and Soulange Dion, and was educated there. In 1874, he married Adele Turgeon.[1] Carbonneau ran unsuccessfully for the Montmagny seat in the House of Commons in 1878. He was first elected to the House of Commons in a 1902 by-election held after Alphonse Arthur Miville Déchêne was named to the Canadian senate. He was defeated when he ran for reelection in 1904.