Allens Grove Township is a township in Scott County, Iowa, USA.

Allens Grove Township covers an area of 27.75 square miles (71.9 km2) and contains one incorporated settlement, Donahue.

According to the USGS, it contains one cemetery, Allens Grove.

The streams of Hickory Creek and Mud Creek run through this township.

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