Hidden Timber is an unincorporated community in Todd County, in the U.S. state of South Dakota.
A post office called Hidden Timber was established in 1926, and remained in operation until 1962. The community was named for a secluded tract of forest near the original town site.
Coordinates: 43°13′46″N 100°25′17″W / 43.22944°N 100.42139°W