Odon is a town in Madison Township, Daviess County, Indiana, United States. The population was 1,354 at the 2010 census.

Daviess County is a county in the U.S. state of Indiana. As of the 2020 United States Census, the population was 33,381. The county seat is Washington. About 15% of the county's population is Amish of Swiss origin, as of 2017.