Horace Boardman Smith (August 18, 1826 – December 26, 1888) was a U.S. Representative from New York.

Born in Whitingham, Vermont, Smith pursued classical studies and graduated from Williams College, Williamstown, Massachusetts, in 1847.

He was admitted to the bar in 1850 and began practice in Elmira, New York.

He served as justice of the supreme court of New York State 1883-1888.

This article incorporates public domain material from the Biographical Directory of the United States Congress