Bethel Township is one of twenty townships in Fayette County, Iowa, United States. As of the 2000 census, its population was 297.

According to the United States Census Bureau, Bethel Township covers an area of 36.12 square miles (93.54 square kilometers); of this, 36.09 square miles (93.46 square kilometers, 99.91 percent) is land and 0.03 square miles (0.08 square kilometers, 0.09 percent) is water.

• Richfield at 42°57′01″N 92°03′46″W / 42.950255°N 92.062672°W / 42.950255; -92.062672

(This list is based on USGS data and may include former settlements.)

• Eden Township (north)
• Auburn Township (northeast)
• Windsor Township (east)
• Center Township (southeast)
• Banks Township (south)
• Sumner No. 2 Township, Bremer County (southwest)
• Fredericksburg Township, Chickasaw County (west)
• Stapleton Township, Chickasaw County (northwest)

The township contains these three cemeteries: Bethel, Pitts and Richfield.

• U.S. Route 18
• Iowa Highway 193

• North Fayette Valley Community School District
• Sumner-Fredericksburg 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