| Official Name: | Cass Township |
| Settlement Type: | Township |
| Mapsize: | 300px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Dubois |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 38.87 |
| Area Land Sq Mi: | 38.54 |
| Area Water Sq Mi: | 0.33 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 2106 |
| Population Density Sq Mi: | 54.9 |
| Elevation Footnotes: | [2] |
| Elevation M: | 171 |
| Elevation Ft: | 561 |
| Coordinates: | 38.2419°N -87.0056°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-10684[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453163 |
Cass Township is one of twelve townships in Dubois County, Indiana. As of the 2010 census, its population was 2,115 and it contained 873 housing units.[4]
Cass Township was created from land given by Patoka Township.[5]
According to the 2010 census, the township has a total area of, of which (or 99.15%) is land and (or 0.85%) is water.[4]
(This list is based on USGS data and may include former settlements.)
The township contains eleven cemeteries: Augustana, Holland Methodist, Mount Vernon, Mount Zion, Saint Henry, Saint James (East and West), Saint Paul United Church of Christ, Stone Family Cemetery, Wibbeler Family Cemetery, Zoar Methodist (partially in Pike County).