Hamlin Township is one of twelve townships in Audubon County, Iowa, United States.

[3] Hamlin Township was organized in 1873.

[4] It was named for Nathaniel Hamlin, a pioneer settler.

[5] Hamlin Township covers an area of 35.82 square miles (92.8 km2) and contains no incorporated settlements.

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