Ohio Township is one of twelve townships in Bartholomew County, Indiana, United States.

As of the 2010 census, its population was 1,787 and it contained 782 housing units.

[2] According to the 2010 census, the township has a total area of 20.26 square miles (52.5 km2), of which 19.75 square miles (51.2 km2) (or 97.48%) is land and 0.51 square miles (1.3 km2) (or 2.52%) is water.

[2] (This list is based on USGS data and may include former settlements.)

The township contains these two cemeteries: Roth and Saint Paul.