Otter Creek Township is a township in Crawford County, Iowa, USA.

Otter Creek Township covers an area of 35.48 square miles (91.9 km2) and contains two incorporated settlements: Kiron and Schleswig.

According to the USGS, it contains two cemeteries: Lehfeld and Otter Creek.

The stream of East Otter Creek runs through this township.

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