The Manitoba Legislative Building, originally named the Manitoba Parliament Building, is the meeting place of the Legislative Assembly of Manitoba, located in central Winnipeg, as well as being the twelfth provincial heritage site of Manitoba. Along with the Legislative Assembly, the building also accommodates the offices for Manitoba's Lieutenant Governor and the Executive Council.

The Legislative Assembly of Manitoba is the deliberative assembly of the Manitoba Legislature in the Canadian province of Manitoba. Fifty-seven members are elected to this assembly at provincial general elections, all in single-member constituencies with first-past-the-post voting. Bills passed by the Legislative Assembly are given royal assent by the lieutenant governor of Manitoba in the name of the King of Canada. The Manitoba Legislative Building is located in central Winnipeg.