| Official Name: | Lancaster Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Huntington |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 35.89 |
| Area Land Sq Mi: | 35.63 |
| Area Water Sq Mi: | 0.27 |
| Area Water Percent: | 0.75 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1130 |
| Population Density Sq Mi: | auto |
| Elevation M: | 244 |
| Elevation Ft: | 801 |
| Coordinates: | 40.7767°N -85.505°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453538 |
Lancaster Township is one of twelve townships in Huntington County, Indiana, United States. As of the 2020 census, its population was 1,130 (down from 1,150 at 2010[2]) and it contained 477 housing units.
Lancaster Township was founded in 1837.[3]
According to the 2010 census, the township has a total area of, of which (or 99.28%) is land and (or 0.75%) is water.[2]
The township contains three cemeteries: German Settlement, Loon Creek and Rees.