Sherry Shealy Martschink (1949) is an American politician from South Carolina.
Martschink served in the South Carolina House of Representatives 1971-1975. She was a junior at the University of South Carolina when elected in November 1970 to represent Lexington County, becoming the nation's youngest lawmaker. In 1986, after serving five years on a local school board, she was elected to the South Carolina Senate from Charleston County in a special election and in 1988 was elected to a full term. Martschink was appointed to the South Carolina Workers' Compensation Commission in 1992 and served as commissioner until 2004, including one term as vice chair of the commission.[1][2][3]