Hiram Smith may refer to:
Hiram F. Smith (1829–1893), American settler in the Pacific Northwest Hiram N. Smith (1817–1890) American politician from Wisconsin Hiram T. Smith (died 1838), casualty of the bloodless Maine Aroostook War Hiram Y. Smith (1843–1894), American politician from Iowa Hiram Smith Williams (1833–1921), Florida pioneer
See also Hyrum Smith (disambiguation)