Mille Lacs may refer to:
Places Mille Lacs County, Minnesota, United States Lac des Mille Lacs, a lake in Ontario, Canada Mille Lacs Lake, a lake in Minnesota, United States Mille Lacs Kathio State Park in Minnesota, United States Mille Lacs National Wildlife Refuge in Minnesota, United States
Native American Mille Lacs Indian Reservation is an Indian Reservation in Minnesota, United States Mille Lacs Band of Ojibwe Mille Lacs Indian Museum Mille Lacs Indian Reservation Mille Lacs Indians Mille Lacs dialect of the Ojibwe language: see Ojibwe dialects#In regionally specific dictionaries
Other uses Mille Lacs County Courthouse