| Official Name: | Clay Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Miami |
| Government Type: | Indiana township |
| Established Title: | Organized |
| Established Date: | 1846 |
| Named For: | Henry Clay |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 23.91 |
| Area Land Sq Mi: | 23.89 |
| Area Water Sq Mi: | 0.02 |
| Area Water Percent: | 0.08 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 889 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [2] |
| Elevation M: | 249 |
| Elevation Ft: | 817 |
| Coordinates: | 40.6056°N -86.0506°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46901, 46911, 46914, 46970 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453214 |
Clay Township is one of fourteen townships in Miami County, Indiana, United States. As of the 2020 census, its population was 889 (down from 844 at 2010[3]) and it contained 354 housing units.
Clay Township was organized in 1846.[4] It is named for statesman Henry Clay of Kentucky.[5]
According to the 2010 census, the township has a total area of, of which (or 99.92%) is land and (or 0.08%) is water.[3]
The township contains Climer Cemetery.