Louis-Saint-Laurent (French pronunciation: [lwi sɛ̃loʁɑ̃]) is a federal electoral district in Quebec, Canada, which has been represented in the House of Commons since 2004.

The riding, in the Quebec region of Capitale-Nationale, consists of the northwestern part of Quebec City, including parts of the boroughs of Laurentien, Les Rivières, and La Haute-Saint-Charles, along with the Wendake Indian reserve and the city of L'Ancienne-Lorette.

Val-Cartier to Rue de la Rivière-Nelson, Rivière Saint-Charles, the eastern limits of the Wendake Indian Reserve, Boul.

[2] Ethnic groups: 94.9% White, 3.0% Indigenous, 0.6% Black, 1.5% other Languages: 96.8% French, 1.3% English, 1.9% other Religions: 88.9% Christian, 0.5% Muslim, 0.4% other, 10.2% none Median income: $35,225 (2010) Average income: $39,793 (2010) The riding is named after former prime minister Louis St. Laurent, and is mostly a reconfigured version of his old riding of Quebec East; ironically, it has not been represented by an MP from his Liberal Party at any point since its creation.

In the 2004 federal election, Bernard Cleary defeated Conservative candidate Josée Verner by some 3,000 votes.