Isaac Thomas (* November 4, 1784 in Sevierville, Sevier County, Tennessee, † February 2nd 1859 in Alexandria, Louisiana ) was an American politician. Between 1815 and 1817 he represented the state of Tennessee in the U.S. House of Representatives.
After the death of his parents, Isaac Thomas moved in 1800 to Winchester. He taught himself the necessary academic knowledge itself. After a subsequent study of law and its made in 1808 admitted to the bar he began in Winchester to work in his new profession. Politically, Thomas member of the Democratic- Republican Party. In the congressional elections of 1814 he was in the fifth electoral district of Tennessee in the U.S. House of Representatives in Washington DC chosen, where he became the successor of Thomas K. Harris on March 4, 1815. Until March 3, 1817, he was able to complete a term in Congress.
In 1819, Thomas moved to Alexandria, Louisiana, where he worked as a lawyer. There he became one of the largest landowners and slaveholders. Thomas introduced the cultivation of sugar cane in his new home; He also became active in the trade. Moreover, he also operated sawmills and steam ships. Thomas was also a brigadier general of state militia of Louisiana. Between 1823 and 1827 he sat in the Senate from Louisiana. In 1849 he moved to California for some time. Later he returned to Alexandria, where he died on 2 February 1859.