| Official Name: | Cass, Indiana |
| Settlement Type: | Unincorporated community |
| Mapsize: | 150px |
| Pushpin Map: | USA Indiana Sullivan County |
| Pushpin Label: | Cass |
| Pushpin Map Caption: | Location in Sullivan County, Indiana |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Sullivan |
| Subdivision Type3: | Township |
| Subdivision Name3: | Cass |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.0872°N -87.2783°W |
| Elevation Footnotes: | [1] |
| Elevation Ft: | 571 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47882 |
| Area Code: | 812, 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-10774[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 432215 |
Cass is an unincorporated community in Cass Township, Sullivan County, in the U.S. state of Indiana.[3]
The community is part of the Terre Haute Metropolitan Statistical Area.
A post office was established at Cass in 1877, and remained in operation until it was discontinued in 1955.[4]
Cass is located at 39.0872°N -87.2783°W.