| Official Name: | Clay Township |
| Settlement Type: | Township |
| Mapsize: | 290px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Howard |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 28.74 |
| Area Land Sq Mi: | 28.7 |
| Area Water Sq Mi: | 0.04 |
| Area Water Percent: | 0.14 |
| Population As Of: | 2020 |
| Population Total: | 4036 |
| Population Density Sq Mi: | 135.4 |
| Elevation M: | 250 |
| Elevation Ft: | 820 |
| Coordinates: | 40.5228°N -86.1936°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453211 |
Clay Township is one of eleven townships in Howard County, Indiana, United States. As of the 2020 census, its population was 4,036, up from 3,885 in 2010.[1] This township also contains a small portion of Kokomo. The population of the Kokomo portion, however, is zero.
Clay Township was named for Henry Clay, a politician and statesman from Kentucky.[2]
The Henry W. Smith House was listed on the National Register of Historic Places in 1979.
According to the 2010 census, the township has a total area of, of which (or 99.86%) is land and (or 0.14%) is water.[1] The stream of Villa Run runs through this township.