Garrison is an unincorporated community in western Millard County, Utah, United States.

It is home to a Utah Department of Transportation yard and office, but other than that, offers no services.

The 84728 ZIP code, which includes Garrison as the primary population center, has 158 residents spread out over 335.54 square miles.

The Great Basin National Park is in Nevada just a few miles west of the border, accessed via Baker.

Founded as a cattle rustling and outlaw community in the 1850s, the town of Garrison later became the center of mining interests.