| Official Name: | Liberty Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | St. Joseph |
| Government Type: | Indiana township |
| Area Total Km2: | 111.07 |
| Area Land Km2: | 109.95 |
| Area Water Km2: | 1.12 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 42.88 |
| Area Land Sq Mi: | 42.45 |
| Area Water Sq Mi: | 0.43 |
| Area Water Percent: | 1.01 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 3416 |
| Population Density Km2: | 27.8 |
| Population Density Sq Mi: | 71.9 |
| Elevation Footnotes: | [2] |
| Elevation M: | 227 |
| Elevation Ft: | 745 |
| Coordinates: | 41.5264°N -86.4033°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46536, 46554, 46574 |
| Area Code: | 574 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453560 |
Liberty Township is one of thirteen townships in St. Joseph County, in the U.S. state of Indiana.[3] As of the 2000 census, its population was 3,053.[4]
According to the United States Census Bureau, Liberty Township covers an area of ; of this, (98.99 percent) is land and (1.01 percent) is water.
The township contains these four cemeteries: Fair, Old, Porter and Westlawn.