West Side Township is a township in Crawford County, Iowa, United States.

West Side Township covers an area of 36.02 square miles (93.3 km2) and contains two incorporated settlements: Vail and Westside.

According to the USGS, it contains two cemeteries: Saint Anns and Westside.

The streams of King Creek and Miller Creek run through this township.

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