Ottawa is an unincorporated community in Ottawa Township, Le Sueur County, Minnesota, United States. The community is located south of Le Sueur at the junction of Le Sueur County Roads 23 and 36 (Ottawa Road). The Minnesota River and Cherry Creek meet at Ottawa. State Highway 112 (MN 112) is also in the immediate area. Ottawa is located within ZIP code 56058 based in Le Sueur. Nearby places include Le Sueur, Kasota, St. Henry, Le Center, Cleveland, St. Peter, the Ottawa Bluffs Nature Preserve, and Ottawa Wildlife Management Area.