Linn Township is one of the seventeen townships in Cedar County, Iowa, United States.

Linn Township was organized in 1841.

[3] Linn Township covers an area of 19.58 square miles (50.7 km2) and contains no incorporated settlements.

According to the USGS, it contains two cemeteries: Achey and Mason.

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