Thomas Brown (January 9, 1778 - April 2, 1820) was a Scottish metaphysician.
Captain Thomas Brown (1785 – October 8, 1862) was a British naturalist and malacologist.
Thomas Brown (October 26, 1785 – August 24, 1867) was an American politician who served as Florida's second governor from 1849 to 1853. He is buried at the Old City Cemetery in Tallahassee.
Thomas Brown (1772 – January 30 1850) was an English surveyor, civil engineer, businessman and landowner.
Thomas Brown (1803 – 5 July 1863) was an early settler in colonial Western Australia, and a Member of the Western Australian Legislative Council.
Thomas 'Burnfoot' Brown (May 27, 1750 – August 3, 1825) was a Loyalist during the American Revolution.