Roscoe is a census-designated place and unincorporated community in Carbon County, Montana, United States. As of the 2020 census, Roscoe had a population of 16. Roscoe depends on light tourism and features a guest ranch, the Pioneer Pottery, and the Grizzly Bar & Grill.
Situated on Montana Highway 78, Roscoe is 20 miles from Red Lodge and 13 miles from Absarokee.
Roscoe was originally called Morris. Its post office was established on July 6, 1901, with Timothy F. George at its first postmaster. The post office officially changed the name from Morris to Roscoe on February 14, 1905. This was to alleviate confusion with mail going to Norris, Montana.