J. S. Clark

J. S. Clark may refer to:
 * James S. Clark (1921–2000), American politician in Alabama
 * John S. Clark (1885–1956), entomologist
 * Joseph Samuel Clark (1871–1944), African-American academic administrator
 * Joseph Sill Clark Sr. (1861–1956), American tennis player and attorney
 * Joseph S. Clark Jr. (1901–1990), American author, lawyer and politician