| Official Name: | Carter Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Spencer |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 36.09 |
| Area Land Sq Mi: | 35.84 |
| Area Water Sq Mi: | 0.26 |
| Population As Of: | 2020 |
| Population Total: | 3228 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [1] |
| Elevation M: | 161 |
| Elevation Ft: | 528 |
| Coordinates: | 38.1558°N -86.9589°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-10576[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453161 |
Carter Township is one of nine townships in Spencer County, Indiana. As of the 2020 census, its population was 3,228 and it contained 1,311 housing units.[3]
Carter Township was named for Thomas Carter, a county commissioner.[4]
According to the 2010 census, the township has a total area of, of which (or 99.31%) is land and (or 0.72%) is water.[5]