| Official Name: | Decatur Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nebraska |
| Subdivision Type2: | County |
| Subdivision Name2: | Burt |
| Area Total Km2: | 125.69 |
| Area Land Km2: | 123.09 |
| Area Water Km2: | 2.6 |
| Area Total Sq Mi: | 48.53 |
| Area Land Sq Mi: | 47.53 |
| Area Water Sq Mi: | 1 |
| Area Water Percent: | 2.07 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 576 |
| Population Density Km2: | auto |
| Elevation M: | 342 |
| Elevation Ft: | 1122 |
| Coordinates: | 41.9747°N -96.2853°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0837959 |
Decatur Township is one of twelve townships in Burt County, Nebraska, United States.
The population was 576 at the 2020 census. A 2021 estimate placed the township's population at 576.
The Village of Decatur is located within the Township.