Hanover Township is one of eighteen townships in Allamakee County, Iowa, USA.

[3] Hanover Township was organized in 1855.

[4] Hanover Township covers an area of 35.96 square miles (93.1 km2) and contains no incorporated settlements.

According to the USGS, it contains three cemeteries: Iowa River, O'Hare Place and Saint Patricks.

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