Butler Township is one of sixteen townships in Butler County, Iowa, United States.

As of the 2020 census, its population was 1,567.

[3] Butler Township covers an area of 36.55 square miles (94.7 km2) and contains one incorporated settlement, Clarksville.

According to the USGS, it contains four cemeteries: Antioch, Lowell, Old and Old Town.

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