William S. Smith was an American politician known for his service in the United States House of Representatives. He represented the state of Virginia during the late 19th century. Smith was a member of the Democratic Party and played a role in various legislative efforts during his time in office. In addition to his congressional duties, Smith was involved in local politics and contributed to the development of his community. His political career reflected the challenges and changes of the post-Civil War era in the South, as he worked to address the needs of his constituents and promote economic growth.