Oconto may refer to:
Canada Oconto, Ontario, a community in Central Frontenac township
United States Oconto, Nebraska, a village Oconto, Wisconsin, a city Oconto (town), Wisconsin, adjacent to the city Oconto County, Wisconsin Oconto High School, in Oconto, Wisconsin Oconto River, a river in Wisconsin
See also Oconto Falls, Wisconsin, a city Oconto Falls (town), Wisconsin, adjacent to the city Oconto Falls High School, in Oconto Falls, Wisconsin