| Official Name: | Polk Township, Missouri |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Adair |
| Area Total Km2: | 77.60 |
| Area Land Km2: | 75.86 |
| Area Water Km2: | 1.74 |
| Area Water Percent: | 2.24 |
| Population As Of: | 2010 |
| Population Total: | 639 |
| Population Density Km2: | 8.4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 290 |
| Elevation Ft: | 951 |
| Coordinates: | 40.3156°N -92.5672°W |
| Blank Name: | FIPS code |
| Blank Info: | 29-58682[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0766216 |
Polk Township is one of ten townships in Adair County, Missouri, United States. As of the 2010 census, its population was 639.[3] It is named for US President James K. Polk.[4]
Polk Township covers an area of 77.6km2[3] and contains no incorporated settlements.
The stream of Buck Branch runs through this township.