Assiniboia East was a federal electoral district in Northwest Territories and Saskatchewan, Canada, that was represented in the Canadian House of Commons from 1887 to 1908. This riding was created in 1886 in the Northwest Territories. Following the creation of the province of Saskatchewan in 1905, Assiniboia East became a riding in Saskatchewan until it was abolished in 1907 when it was redistributed into Assiniboia, Qu'Appelle and Saltcoats ridings.