Elizur Smith (1812 – 1889) was an American politician and paper manufacturer from Lee, Massachusetts. His enterprise, the Smith Paper Company, became the largest fine paper manufacturer in America. He also served in the Massachusetts House of Representatives and became a Senator from the southern Berkshire District in 1879. His breeding farm, named Highlawn, became one of the largest equestrian estate in the East Coast, and was later acquired by the Vanderbilts.