Dallas Township is a township in Dallas County, Iowa, USA.

Dallas Township covers an area of 35.98 square miles (93.2 km2) and contains one incorporated settlement, Dawson.

According to the USGS, it contains one cemetery, Dallas Township Cemeteries.

The streams of Fannys Branch and Greenbrier Creek run through this township.

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