Brethren is an unincorporated community and census-designated place (CDP) in the U.S. state of Michigan.

The community is located within Dickson Township, Manistee County, and is in the Northern Lower Peninsula of Michigan.

Brethren has a post office with ZIP code 49619.

[1] Boswell Creek forms the northern edge of the community, flowing west to the Manistee River.

This Manistee County, Michigan location article is a stub.