Dominique Vien (born February 10, 1967)[1] is a Canadian politician, who served as Member of the National Assembly for the electoral district of Bellechasse from 2003 to 2007.

She was defeated in the 2007 election by Jean Domingue of the Action démocratique du Québec, but was then re-elected in the same district in 2008.

Born in Lévis, Quebec, Vien studied at Université Laval and received a bachelor's degree in communications in 1992.

She also studied at the Université du Québec à Trois-Rivières in training, animation and leadership in 2001.

Vien was elected Member of Parliament for the House of Commons of Canada in the riding of Bellechasse—Les Etchemins—Lévis for the Conservative Party of Canada in the 2021 Canadian federal election.