| Official Name: | Hessen Cassel, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Hessen Cassel |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Allen |
| Subdivision Type3: | Township |
| Subdivision Name3: | Marion |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.9772°N -85.0722°W |
| Elevation Ft: | 797 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46816 |
| Area Code: | 260 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2830305 |
Hessen Cassel is an unincorporated community in Marion Township, Allen County, in the U.S. state of Indiana.
Hessen Cassel was platted in 1863.[1] Hessen Cassel was originally built up chiefly by Germans,[2] and was named for the Landgraviate of Hesse-Kassel in Germany.