John Thomas Smith

John Thomas Smith is the name of:
 * John Thomas Smith (engraver) (1766–1833), also known as Antiquity Smith, British painter, engraver and antiquarian
 * John Thomas Smith (British Army officer) (1805–1882), British colonel
 * John Smith (Victoria politician) (1816–1879), Australian politician and mayor of Melbourne
 * J. T. Smith (American football) (born 1955), former professional American football player