Massena Township is one of sixteen townships in Cass County, Iowa, USA.

As of the 2000 census, its population was 608.

Massena Township covers an area of 35.96 square miles (93.1 km2) and contains one incorporated settlement, Massena.

According to the USGS, it contains two cemeteries: Massena and Saint Patricks.

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