Cass Township is a township in Clayton County, Iowa, United States.

Cass Township is named for Lewis Cass.

[1] Cass Township covers an area of 36.72 square miles (95.1 km2) and contains one incorporated settlement, Strawberry Point.

According to the USGS, it contains three cemeteries: County Courners, Saint Mary's, and Strawberry Point Methodist.

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