| Official Name: | Warren Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | St. Joseph |
| Government Type: | Indiana township |
| Area Total Km2: | 85.34 |
| Area Land Km2: | 83.16 |
| Area Water Km2: | 2.18 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 32.95 |
| Area Land Sq Mi: | 32.11 |
| Area Water Sq Mi: | 0.84 |
| Area Water Percent: | 2.55 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 7821 |
| Population Density Km2: | 77.3 |
| Population Density Sq Mi: | 200.2 |
| Elevation Footnotes: | [2] |
| Elevation M: | 220 |
| Elevation Ft: | 722 |
| Coordinates: | 41.6911°N -86.3831°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46552, 46554, 46619, 46628 |
| Area Code: | 574 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453978 |
Warren 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 6,430.[4]
According to the United States Census Bureau, Warren Township covers an area of ; of this, (97.45 percent) is land and (2.55 percent) is water.
(This list is based on USGS data and may include former settlements.)