Boardman Township is a township in Clayton County, Iowa, United States.

[1] Boardman Township covers an area of 36.45 square miles (94.4 km2) and contains one incorporated settlement, Elkader (the county seat).

According to the USGS, it contains three cemeteries: Eastside, Erhardt and Saint Josephs.

Boardman Township contains Elkader Municipal Airport.

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