| Official Name: | Clay Center Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Clay |
| Area Total Km2: | 99.23 |
| Area Land Km2: | 97.78 |
| Area Water Km2: | 1.45 |
| Area Total Sq Mi: | 38.31 |
| Area Land Sq Mi: | 37.75 |
| Area Water Sq Mi: | 0.56 |
| Area Water Percent: | 1.46 |
| Population As Of: | 2000 |
| Population Total: | 368 |
| Population Density Km2: | 3.8 |
| Population Density Sq Mi: | 9.7 |
| Elevation M: | 363 |
| Elevation Ft: | 1191 |
| Coordinates: | 39.3667°N -97.1169°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0476026 |
Clay Center Township is a township in Clay County, Kansas, USA. As of the 2000 census, its population was 368.
Clay Center Township covers an area of 38.31sqmi and contains one incorporated settlement, Clay Center (the county seat). According to the USGS, it contains one cemetery, Broughton.
The streams of Dry Creek, Finney Creek, Lincoln Creek and Spring Creek run through this township.
Clay Center Township contains one airport or landing strip, Clay Center Municipal Airport.