| Official Name: | Union Township |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Sedgwick |
| Area Total Sq Mi: | 36.09 |
| Area Land Sq Mi: | 36.00 |
| Area Water Sq Mi: | 0.09 |
| Population As Of: | 2000 |
| Population Total: | 2156 |
| Population Density Sq Mi: | 59.9 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 421 |
| Elevation Ft: | 1381 |
| Coordinates: | 37.7792°N -97.5364°W |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 473817[1] |
Union Township is a township in Sedgwick County, Kansas, United States. As of the 2000 United States Census, it had a population of 2,156.[2]