The Newfoundland and Labrador House of Assembly is the unicameral deliberative assembly of the General Assembly of Newfoundland and Labrador of the province of Newfoundland and Labrador, Canada. It meets in the Confederation Building in St. John's. Bills passed by the assembly are given royal assent by the lieutenant governor of Newfoundland and Labrador, in the name of the King of Canada.

Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of 405,212 km2 (156,453 sq mi) As of January 1, 2024, the population of Newfoundland and Labrador was estimated to be 540,552. The island of Newfoundland is home to around 94 per cent of the province's population, with more than half residing in the Avalon Peninsula. Labrador borders the province of Quebec, and the French overseas collectivity of Saint Pierre and Miquelon lies about 20 km (12 mi) west of the Burin Peninsula.