Okawville is a village in Washington County, Illinois, United States. The population was 1,355 at the 2000 census.
Okawville is located at 38°25′57″N 89°32′54″W / 38.4325°N 89.54833°W / 38.4325; -89.54833 (38.432589, -89.548358).
According to the United States Census Bureau, the village has a total area of 2.0 square miles (5.3 km²), all of it land. The Little Hot Springs Of Illinois are located here.