| Official Name: | West Union 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: | 108.03 |
| Area Land Km2: | 108.03 |
| Area Water Km2: | 0 |
| Area Total Sq Mi: | 41.71 |
| Area Land Sq Mi: | 41.71 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 73 |
| Population Density Km2: | auto |
| Elevation M: | 784 |
| Elevation Ft: | 2572 |
| Coordinates: | 41.6947°N -99.5019°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 68874[2] |
| Area Code: | 308 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0838330 |
West Union Township is one of thirty-one townships in Custer County, Nebraska, United States. The population was 73 at the 2020 census.[1] A 2021 estimate placed the township's population at 72.[1]