The Dominion Lands Act (French: Loi des terres fédérales) was an 1872 Canadian law that aimed to encourage the settlement of the Canadian Prairies and to help prevent the area being claimed by the United States. The act was closely based on the U.S. Homestead Act of 1862, setting conditions in which the western lands could be settled and their natural resources developed.
In 1871, the Government of Canada entered into Treaty 1 and Treaty 2 to obtain the consent of the Indigenous nations from the territories set out respectively in each Treaty. The Treaties provided for the taking up of lands "for immigration and settlement". In order to settle the area, Canada invited mass emigration by European and American pioneers, and by settlers from eastern Canada.