Jasper Township is one of eighteen townships in Carroll County, Iowa, USA.
As of the 2000 census, its population was 358.
Jasper Township covers an area of 35.54 square miles (92.0 km2) and contains one incorporated settlement, Lanesboro.
According to the USGS, it contains two cemeteries: Lanesboro and Salisbury.
This article about the geography of Carroll County, Iowa is a stub.