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

[3] Union Township was founded in 1848.

[4] Union Township covers an area of 26.69 square miles (69.1 km2) and contains no incorporated settlements.

According to the USGS, it contains three cemeteries: Albany, Knapp and Sales.

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