The Legislative Assembly of the Province of Canada was the lower house of the Parliament of the Province of Canada. The Province of Canada consisted of the former province of Lower Canada, then known as Canada East, and Upper Canada, then known as Canada West. It was created by The Union Act, 1840.

The Province of Canada was a British colony in British North America from 1841 to 1867. Its formation reflected recommendations made by John Lambton, 1st Earl of Durham, in the Report on the Affairs of British North America following the Rebellions of 1837–1838.