Fremont Township is one of twenty townships in Benton County, Iowa, United States. At the 2000 census, its population was 1,736.

According to the United States Census Bureau, Fremont Township covers an area of 36.23 square miles (93.85 square kilometers).

• Atkins

• Canton Township (north)
• Fayette Township, Linn County (northeast)
• Clinton Township, Linn County (east)
• Fairfax Township, Linn County (southeast)
• Florence Township (south)
• St. Clair Township (southwest)
• Eldorado Township (west)
• Eden Township (northwest)

The township contains these three cemeteries: Fix, Raetz and Saint Stephens.

• U.S. Route 30

• Benton Community School District
• Vinton-Shellsburg Community School District

• Iowa's 3rd congressional district
• State House District 39
• State Senate District 20

• United States Census Bureau 2007 TIGER/Line Shapefiles
• United States Board on Geographic Names (GNIS)
• United States National Atlas

• US-Counties.com
• City-Data.com