| Official Name: | Westerville Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nebraska |
| Subdivision Type2: | County |
| Subdivision Name2: | Custer |
| Area Total Km2: | 178.4 |
| Area Land Km2: | 178.4 |
| Area Water Km2: | 0 |
| Area Total Sq Mi: | 68.88 |
| Area Land Sq Mi: | 68.88 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 130 |
| Population Density Km2: | auto |
| Elevation M: | 720 |
| Elevation Ft: | 2362 |
| Coordinates: | 41.4122°N -99.3964°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0838325 |
Westerville Township is one of thirty-one townships in Custer County, Nebraska, United States. The population was 130 at the 2020 census.[1] A 2021 estimate placed the township's population at 129.[1]