Newell Township is one of sixteen townships in Buena Vista County, Iowa, United States.

As of the 2000 census, its population was 1,183.

Newell Township covers an area of 35.85 square miles (92.9 km2) and contains one incorporated settlement, Newell.

According to the USGS, it contains four cemeteries: Cooke, First M E Church, Newell Catholic and Newell.

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