Auburn Township is one of twenty townships in Fayette County, Iowa, United States. As of the 2010 census, its population was 527.

According to the United States Census Bureau, Auburn Township covers an area of 36.7 square miles (95.1 km), all of it land.

• St. Lucas

• Auburn
• Douglass at 43°00′30″N 91°52′17″W / 43.008311°N 91.871275°W / 43.008311; -91.871275
• Massillon
• West Auburn

• Washington Township, Winneshiek County (north)
• Dover Township (east)
• Union Township (southeast)
• Windsor Township (south)
• Bethel Township (southwest)
• Eden Township (west)
• Jackson Township, Winneshiek County (northwest)

The township contains these three cemeteries: Eden, Oak Ridge and Saint Lukes Catholic.

• Iowa Highway 150

• North Fayette Valley Community School District
• Turkey Valley Community School District

• Iowa's 1st congressional district
• State House District 18
• State Senate District 9

• United States Census Bureau 2008 TIGER/Line Shapefiles
• United States Board on Geographic Names (GNIS)
• United States National Atlas

• US-Counties.com
• City-Data.com comprehensive statistical data