Cash is an unincorporated community and census-designated place (CDP) in Chesterfield County, in the U.S. state of South Carolina. It was first listed as a CDP in the 2020 census with a population of 445.
The community was named after one Colonel E. B. Cash. A variant name was "Cashs". A post office called Cash's Depot was established in 1880, and remained in operation until 1917.