Angostura is an unincorporated area and census-designated place (CDP) in Fall River County, South Dakota, United States.

Routes 18/385 to the northeast and Angostura Reservoir to the southwest.

Residential development is primarily in the Angostura Heights area in the southern part of the CDP.

The community is 11 miles (18 km) southeast of Hot Springs and 13 miles (21 km) northwest of Oelrichs.

This South Dakota state location article is a stub.