Mansfield Township is a civil township of Iron County in the U.S. state of Michigan.

The population was 243 at the 2000 census and 236 in 2020.

[3] According to the United States Census Bureau, the township has a total area of 107.7 square miles (279 km2), of which 99.3 square miles (257 km2) is land and 8.4 square miles (22 km2) (7.78%) is water.

The Michigamme River flows through Mansfield Township.