Horace Henry Powers (May 29, 1835 - December 8, 1913) was a U.S. Representative from Vermont.
Born in Morristown, Vermont, Powers attended Peoples Academy. He was graduated from the University of Vermont at Burlington in 1855. He studied law. He was admitted to the bar in 1858 and practiced in Hyde Park, Vermont from 1859 to 1862. He served as member of the State house of representatives in 1858. He served as prosecuting attorney of Lamoille County in 1861 and 1862. He served as member of the council of censors in 1869. He served as member of the State constitutional convention in 1870. He served in the State senate in 1872 and 1873. He was again a member of the State house of representatives in 1874 and served as speaker. He served as judge of the supreme court of Vermont from December 1874 to December 1890. Trustee of the University of Vermont from 1883 until his death. He served as delegate to the Republican National Convention in 1892.
Powers was elected as a Republican to the Fifty-second and to the four succeeding Congresses (March 4, 1891-March 3, 1901). He served as chairman of the Committee on Pacific Railroads (Fifty-fourth through Fifty-sixth Congresses). He was an unsuccessful candidate for renomination in 1900. He resumed the practice of law in Morrisville, Vermont. He died in Morrisville, Vermont, December 8, 1913. He was interred in Pleasant View Cemetery.