The 23rd Legislative Assembly of Quebec was the Quebec, Canada the provincial legislature that existed from July 28, 1948, to July 16, 1952. The Union Nationale led by Maurice Duplessis was the governing party for the second consecutive mandate since 1944.

• After the 1948 elections

This was the list of members of the Legislative Assembly of Quebec that were elected in the 1948 election:

Other MLAs were elected in by-elections during the term

• Charles James Warwick Fox, Union Nationale, Brome, December 7, 1948
• Albert Samson, Union Nationale, Lévis, February 16, 1949

• Prime Minister and Executive Council President: Maurice Duplessis
• Agriculture: Laurent Barrée
• Colonization: Joseph-Damase Begin
• Labour: Antonio Barrette
• Public Works: Roméo Lorrain
• Social Welfare and Youth: Paul Sauvé
• Health: Albiny Paquette
• Lands and Forests: John Samuel Bourque
• Hunting and Coastal Fisheries: Camille-Eugène Pouliot
• Mines: Jonathan Robinson (1948), Charles Daniel French (1948–1952)
• Hydraulic resources: John Samuel Bourque
• Roads: Antonio Talbot
• Municipal Affairs: Bona Dussault
• Industry and Commerce: Jean-Paul Beaulieu
• Attorney General: Maurice Duplessis
• Provincial Secretary: Omer Côté
• Solicitor General: Antoine Rivard (1950–1952)
• Treasurer: Onésime Gagnon (1948–1951)
  • Finances: Onesime Gagnon (1951–1952)
• State Ministers: Antoine Rivard (1948–1950)

• 1948 election results
• List of Historical Cabinet Ministers