Columbus Township is one of twelve townships in Bartholomew County, Indiana, United States. As of the 2010 census, its population was 45,578 and it contained 20,516 housing units.
The David Aikens House, D.W. Heagy Farm, New Hope Bridge, and James Marr House and Farm are listed on the National Register of Historic Places.
According to the 2010 census, the township has a total area of , of which (or 98.80%) is land and (or 1.19%) is water. Camp Atterbury borders the township to the northwest.
(This list is based on USGS data and may include former settlements.)
The township contains these five cemeteries: Carter, Garland Brook, Lambert, Mount Pleasant and Thompson.