Horace Wheaton (February 24, 1803 - June 23, 1882) was a United States Representative from New York. Born in New Milford, Litchfield County, Connecticut, he moved with his parents to Pompey, Onondaga County, New York in 1810. He received a limited schooling, was graduated from Pompey Academy, engaged in mercantile pursuits, and was a member of the New York State Assembly in 1834. He was one of the commissioners to build a railroad between Syracuse and Utica, and was postmaster of Pompey from 1840 to 1842. He was supervisor and city treasurer of Pompey, and was elected as a Democrat to the Twenty-eighth and Twenty-ninth Congresses, holding office from March 4, 1843 to March 3, 1847. He was not a candidate for renomination in 1846 and that year moved to Syracuse. He was mayor of Syracuse from 1851 to 1853 and city treasurer in 1857 and 1858. He engaged in hardware, saddlery, and mercantile pursuits, and in 1882 died in Syracuse. Interment was in Oakwood Cemetery.