to
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is a city in Oconto County, Wisconsin, United States. The population was 4,708 at the 2000 census. It is part of the Green Bay Metropolitan Statistical Area. The city is located partially within the town of Oconto.
According to the United States Census Bureau, the city has a total area of 7.4 square miles (19.1 km²), of which, 6.9 square miles (17.8 km²) of it is land and 0.5 square miles (1.2 km²) of it (6.39%) is water.
Oconto is located at the mouth of the Oconto river which feeds into Lake Michigan.