Twin Creeks is an unincorporated community and census-designated place (CDP) in Missoula County, Montana, United States. As of the 2020 census, it had a population of 164.
It is in the eastern part of the county, on the north side of the Blackfoot River. The center of the community sits between East Twin Creek and West Twin Creek, two tributaries of the Blackfoot. Montana Highway 200 passes through the community, leading west to Missoula and northeast to Ovando.
According to the U.S. Census Bureau, the CDP has an area of , all land.
The western portion is in the Bonner Elementary School District and the eastern portion is in the Potomac Elementary School District. All of it is in the Missoula High School District.