Vermillion Township is one of eighteen townships in Appanoose County, Iowa, United States.

[3] I Vermillion Township covers an area of 22.0 square miles (57.1 km2) 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.

This article about the geography of Appanoose County, Iowa is a stub.