The 29th National Assembly of Quebec was the provincial legislature in Quebec, Canada that was elected in the 1970 Quebec general election. It sat for four sessions, from 9 June 1970 to 19 December 1970; from 23 February 1971 to 24 December 1971; from 7 March 1972 to 14 March 1973; and from 15 March 1973 to 25 September 1973. The governing Quebec Liberal Party was led by Premier Robert Bourassa; the official opposition Union Nationale was led by Jean-Jacques Bertrand and later by Gabriel Loubier. The events of the October Crisis took place during this mandate.

• After the 1970 elections

This was the list of members of the National Assembly of Quebec that were elected in the 1970 election:

Other MNAs were elected during this mandate in by-elections

• Jean Cournoyer, Quebec Liberal Party, Chambly, February 8, 1971 ^[1]
• Donald Gallienne, Quebec Liberal Party, Duplessis, October 11, 1972 ^[2]
• Michel Gratton, Quebec Liberal Party, Gatineau, November 15, 1972 ^[3]

• Prime Minister and Executive Council President: Robert Bourassa
• Deputy Premier: Gérard D. Levesque
• Agriculture and Colonization: Normand Toupin
• Labour and Workforce: Pierre Laporte (1970), Jean Cournoyer (1970–1973)
• Public Works: Maurice Tessier (1970, 1973), Bernard Pinard (1970–1973)
  • Public Works and Provisioning: Maurice Tessier (1973)
• Public Office: Raymond Garneau (1970), Jean-Paul L'Allier (1970–1972), Jean Cournoyer (1972–1973), Oswald Parent (1973)
• Cultural Affairs: François Cloutier (1970–1972), Marie-Claire Kirkland (1972–1973)
• Immigration: Pierre Laporte (1970), François Cloutier (1970–1972), Jean Bienvenue (1972–1973)
• Health, Family and Social Welfare: Claude Castonguay (1970)
  • Social Affairs: Claude Castonguay (1970–1973)
• Education: Guy Saint-Pierre (1970–1972), François Cloutier (1972–1973)
• Lands and Forests: Thomas Kevin Drummond
• Tourism, Hunting and Fishing: Marie-Claire Kirkland (1970–1972), Guy Saint-Pierre (1972), Claude Simard (1972–1973)
• Natural Resources: Jean-Gilles Massé
• Roads: Bernard Pinard (1970–1973)
• Transportation: Georges-Emery Tremblay (1970–1971), Bernard Pinard (1971–1973)
• Communications: Jean-Paul L'Allier
• Municipal Affairs: Maurice Tessier (1970–1973), Victor Goldbloom (1973)
• Intergovernmental Affairs: Gérard D. Levesque (1970–1971, 1972–1973), Robert Bourassa (1971–1972)
• Industry and Commerce:Gérard D. Levesque (1970–1972), Guy Saint-Pierre (1972–1973)
• Financial Institutions, Companies and Cooperatives: Jérôme Choquette (1970), William Tetley (1970–1973)
• Justice: Jérôme Choquette
• Solicitor General: Roy Fournier (1971–1972)
• Finances: Robert Bourassa (1970), Raymond Garneau (1970–1973)
• President of the Treasury Board: Raymond Garneau (1971–1973)
• Revenu: William Tetley (1970), Gérald Harvey (1970–1973)
• State Ministers: Oswald Parent (1970–1973), Raymond Mailloux (1972–1973), Georges-Emery Tremblay (1971–1973), Claude Simard (1970–1972), Victor Goldbloom (1970–1973), Gérald Harvey (1970), Paul Phaneuf (1973), Robert Quenneville, Roy Fournier (1970–1971), Jean Bienvenue (1971–1972)

A major electoral reform took place in 1972 in which several ridings were merged or split. The changes were effective for the 1973 elections.^[4]

• Anjou was created from parts of LaFontaine
• Dorchester was renamed Beauce-Nord
• Beauce was renamed Beauce-Sud
• Brome and Missiquoi were merged to form Brome-Missisquoi.
• Charlesbourg was created from parts of Chauveau.
• Ahuntsic was renamed Crémazie.
• The old Frontenac riding was split. A new, unrelated Frontenac was created from the renaming and partial merger of Mégantic.
• Gaspé, which had been previously split into Gaspé-Nord and Gaspé-Sud, returned as a reunited single riding.
• Bagot was renamed Johnson
• Joliette and Montcalm merged to form Joliette-Montcalm
• L'Acadie was created from parts of Saint-Laurent and Ahuntsic.
• Kamouraska and Témiscouata were merged to form Kamouraska-Témiscouata.
• Montmagny and L'Islet were merged to form Montmagny-L'Islet.
• Parts of Mégantic and all of Compton were merged to form Mégantic-Compton.
• Napierville-Laprairie was renamed La Prairie.
• Mille-Iles was created from parts of Fabre.
• Mont-Royal was created from parts of Outremont.
• Nicolet and Yamaska were merged to form Nicolet-Yamaska.
• Pointe-Claire was formed from parts of Jacques-Cartier and Robert-Baldwin.
• Prévost was created from parts of Terrebonne.
• Rosemont was created from parts of Jeanne-Mance.
• Sauvé was created from parts of Bourassa.
• Taschereau was created from parts of Jean-Talon.
• Labelle was renamed Laurentides-Labelle.
• Laporte was formed from parts of Taillon