| Official Name: | Clinton Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Cass |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 25.13 |
| Area Land Sq Mi: | 24.75 |
| Area Water Sq Mi: | 0.38 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 646 |
| Population Density Sq Mi: | 33 |
| Elevation Footnotes: | [2] |
| Elevation M: | 220 |
| Elevation Ft: | 722 |
| Coordinates: | 40.7244°N -86.4561°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-13690[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453229 |
Clinton Township is one of fourteen townships in Cass County, Indiana, United States. As of the 2020 census, its population was 646 (down from 816 at 2010[4]) and contained 226 housing units.
Clinton Township was organized in 1834.[5] It was named for DeWitt Clinton, sixth Governor of New York.[6]
According to the 2010 census, the township has a total area of, of which (or 98.49%) is land and (or 1.51%) is water.[4]
The township contains four cemeteries: Clymers, Porter, Saint Johns and Shideler.