| Official Name: | Vermillion Township, Appanoose County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Appanoose |
| Area Total Km2: | 57.1 |
| Area Land Km2: | 56.6 |
| Area Water Km2: | 0.5 |
| Unit Pref: | Imperial |
| Population As Of: | 2010 |
| Population Total: | 808 |
| Population Density Km2: | 14.3 |
| Elevation Footnotes: | [1] |
| Elevation M: | 300 |
| Elevation Ft: | 984 |
| Coordinates: | 40.7239°N -92.8575°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-94329[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0468860 |
Vermillion Township is one of eighteen townships in Appanoose County, Iowa, United States. As of the 2010 census, its population was 808.[3] I
Vermillion Township covers an area of 57.1km2 and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Dale, Jewish and Thomas. From time to time, the city of Centerville has annexed portions of the township.