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is a village in Greene County, Ohio, United States. The population was 3,828 at the 2000 census. It is the home of Cedarville University.
Cedarville is part of the Dayton Metropolitan Statistical Area. It is served by a branch of the Greene County Public Library.
According to the United States Census Bureau, the village has a total area of 1.1 square miles (2.8 km²), of which, 1.1 square miles (2.7 km²) of it is land and 0.93% is water.