| Pierre Boutin | |
| Office: | Member of the Legislative Assembly of Quebec for Bellechasse |
| Predecessor: | Pierre Fradet |
| Successor: | Faucher de Saint-Maurice |
| Term Start: | 1878 |
| Term End: | 1881 |
| Birth Date: | 26 December 1821 |
| Birth Place: | Saint-Henri, Lower Canada |
| Death Place: | Beauport, Quebec |
| Party: | Liberal |
Pierre Boutin (December 26, 1821 - December 3, 1901) was a farmer and political figure in Quebec. He represented Bellechasse in the Legislative Assembly of Quebec from 1878 to 1881 as a Liberal.
He was born in Saint-Henri, Lower Canada, the son of Pierre Boutin and Rose Morisset, and was educated there. Boutin also served as justice of the peace at Saint-Raphaël. In 1848, he married Esther Bernard. Boutin was an unsuccessful candidate in Bellechasse in an 1875 federal by-election. He was elected to the Quebec assembly in 1878, defeating the incumbent Pierre Fradet, but was defeated by Narcisse-Henri-Édouard Faucher de Saint-Maurice when he ran for reelection in 1881. Boutin died at Beauport at the age of 79 and was buried in Saint-Raphaël.