Clay Township, Missouri
- Adair County, Missouri
- Andrew County, Missouri
- Atchison County, Missouri
- Clark County, Missouri
- Clay Township (disambiguation)
- Clay Township, Adair County, Missouri
- Clay Township, Andrew County, Missouri
- Clay Township, Atchison County, Missouri
- Clay Township, Clark County, Missouri
- Clay Township, Dunklin County, Missouri
- Clay Township, Gasconade County, Missouri
- Clay Township, Greene County, Missouri
- Clay Township, Harrison County, Missouri
- Clay Township, Holt County, Missouri
- Clay Township, Lafayette County, Missouri
- Clay Township, Linn County, Missouri
- Clay Township, Monroe County, Missouri
- Clay Township, Ralls County, Missouri
- Clay Township, Saline County, Missouri
- Clay Township, Shelby County, Missouri
- Clay Township, Sullivan County, Missouri
- Douglas County, Missouri
- Dunklin County, Missouri
- Gasconade County, Missouri
- Greene County, Missouri
- Harrison County, Missouri
- Holt County, Missouri
- Lafayette County, Missouri
- Linn County, Missouri
- Missouri
- Monroe County, Missouri
- Ralls County, Missouri
- Saline County, Missouri
- Shelby County, Missouri
- Sullivan County, Missouri
- U.S. state