Samuel Gilbert Hathaway (July 18, 1780 – May 2, 1867) was an American politician who served one term as a U.S. Representative from New York from 1833 to 1835.
Born in Freetown, Massachusetts, Hathaway attended the public schools.
He served as presidential elector on the Democratic ticket in 1852.
He served as delegate to the Democratic National Convention at Charleston, South Carolina, in 1860.
His home at Solon, known as the Hatheway Homestead, was listed on the National Register of Historic Places in 1978.