Bridger is a census-designated place (CDP) in Gallatin County, Montana, United States.
The community includes the Bridger Bowl Ski Area and some nearby residences on the eastern side of the Bridger Range in southwestern Montana.
Montana Highway 86 forms the eastern edge of the CDP, leading north and east to Wilsall and south and west to Bozeman. Bridger Creek, a tributary of the Gallatin River, flows southwards through the eastern part of the CDP.
According to the U.S. Census Bureau, the Bridger CDP has a total area of , of which , or 0.16%, is water.
As of the 2010 census the Bridger CDP had a population of 30.
Bozeman 12 NE is a weather station located in Bridger at an elevation of 5950 ft (1814 m).
The CDP is in Bozeman Elementary School District and Bozeman High School District. The Bozeman elementary and high school districts are both a part of Bozeman Public Schools.