Hiram Ypsilanti Smith (March 22, 1843 – November 4, 1894) was a nineteenth-century Republican politician, lawyer and clerk from Iowa.

Born in Piqua, Ohio, Smith moved to Rock Island, Illinois with his parents in 1850 and again to Des Moines, Iowa in 1854.

Smith graduated from the Albany Law School in 1866 and was admitted to the bar later the same year, commencing practice in Des Moines.

[1] However, in August 1884, Kasson left Congress early when President Chester A. Arthur selected him as the next envoy to Germany.

Afterwards, Smith resumed practicing law until his death in Des Moines on November 4, 1894.