| Official Name: | Center Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Decatur |
| Area Total Km2: | 85.74 |
| Area Land Km2: | 84.66 |
| Area Water Km2: | 1.08 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 33.11 |
| Area Land Sq Mi: | 32.69 |
| Area Water Sq Mi: | 0.42 |
| Area Water Percent: | 1.26 |
| Population As Of: | 2000 |
| Population Total: | 317 |
| Population Density Km2: | 3.7 |
| Population Density Sq Mi: | 9.7 |
| Elevation M: | 342 |
| Elevation Ft: | 1122 |
| Coordinates: | 40.7753°N -93.7267°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0467573 |
Center Township is a township in Decatur County, Iowa, United States. As of the 2000 census, its population was 317.
Center Township covers an area of 33.11 square miles (85.74 square kilometers); of this, 0.42 square miles (1.08 square kilometers) or 1.26 percent is water. The stream of West Little River runs through this township.
The township contains one cemetery, Franklin.