Étienne Poulin (June 27, 1835 – October 25, 1901) was a farmer and political figure in Quebec.
He represented Rouville in the Legislative Assembly of Quebec from 1881 to 1886 as a Conservative.
He was born in Sainte-Marie-de-Monnoir, Lower Canada, the son of Étienne Poulin and Charlotte Hébert, and was educated at the Collège de Saint-Hyacinthe.
In 1854, he married Marcelline Vigeant.
Poulin was president of the school board for Marieville from 1868 to 1871 and from 1881 to 1882.
He was mayor of Sainte-Marie-de-Monnoir in 1882.
He was defeated when he ran for reelection in 1886 and 1890 and again in Iberville in 1897.
He died in Sainte-Marie-de-Monnoir at the age of 66.
His older brother Joseph-Napoléon served in the legislative assembly and legislative council for the Province of Canada.