Breen Township is a civil township of Dickinson County in the U.S. state of Michigan.

The population was 471 at the 2020 census.

According to the United States Census Bureau, the township has a total area of 88.3 square miles (229 km2), of which, 87.9 square miles (228 km2) of it is land and 0.4 square miles (1.0 km2) of it (0.46%) is water.

There are no incorporated municipalities in the township.

As of the census[2] of 2000, there were 479 people, 201 households, and 144 families residing in the township.