Patoka is a town in White River Township, Gibson County, Indiana, United States. The population was 735 at the 2010 census. The town's name comes from an Indian word meaning "log on bottom".
Patoka is located at 38°24′20″N 87°35′11″W / 38.40556°N 87.58639°W / 38.40556; -87.58639 (38.405536, -87.586260).
According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km²), all of it land.