Silesia is a census-designated place and unincorporated community in Carbon County, Montana, United States. As of the 2020 census, Silesia had a population of 103.
Clarks Fork Yellowstone River flows to the east of town. It is about 10 miles from Laurel.
The town was named after the region of Silesia in Central Europe by Julius Lehrkind, an immigrant from Silesia. Silesia's post office was established on May 18, 1900, with Charles Buzzetti as its first postmaster.