Benton Township is one of twenty townships in Benton County, Iowa, United States.

[1] Benton Township was founded in 1846.

[2] According to the United States Census Bureau, Benton Township covers an area of 22.57 square miles (58.46 square kilometers); of this, 22.39 square miles (57.99 square kilometers, 99.2 percent) is land and 0.18 square miles (0.47 square kilometers, 0.8 percent) is water.

(These towns are listed as "historical" by the USGS.)

The township contains McBroom Cemetery.