The Assiniboine are a Native American/First Nations people. Assiniboine may also refer to:
Assiniboine language, one of the Siouan languages
Places Assiniboine River, a river that runs through the prairies of Western Canada in Saskatchewan and Manitoba Mount Assiniboine in eastern British Columbia, Canada Fort Assiniboine, Alberta, Canada Fort Assinniboine, Montana, U.S. Winnipeg—Assiniboine, a former Canadian federal electoral district Mount Assiniboine Provincial Park, a provincial park in British Columbia, Canada, located around Mount Assiniboine.
Ships , River-class destroyer, served 1939–1945 , St. Laurent-class destroyer, served 1956–1988 Schools Assiniboine Community College, community college in Manitoba, Canada
Other Assiniboine Herald, one of the heralds at the Canadian Heraldic Authority