Babb is a small unincorporated farming and ranching community in Glacier County, Montana, United States, on the Blackfeet Indian Reservation. The community experiences a large influx of tourists in the summer months as it is the gateway to the Many Glacier area of Glacier National Park. For statistical purposes, the United States Census Bureau has defined Babb as a census-designated place (CDP). It had a population of 174 at the 2010 census.

Glacier County is located in the U.S. state of Montana. As of the 2020 census, the population was 13,778. The county is located in northwestern Montana between the Great Plains and the Rocky Mountains, known to the Blackfeet as the "Backbone of the World". The county is geographically and culturally diverse and includes the Blackfeet Indian Reservation, Glacier National Park, and Lewis and Clark National Forest. The county is bordered by 75 miles of international boundary with two ports of entry open year-round and one seasonal international border crossing into Alberta, Canada.