Thomas Barker

Thomas Barker may refer to:
 * Thomas Barker (academic), principal of Brasenose College, Oxford, 1777–1785
 * Thomas Barker (Australian politician) (1799–1875), Australian politician in New South Wales
 * Thomas Barker (cricketer, born 1798) (1798–1877), English cricketer
 * Thomas Barker (cricketer, born 1812) (1812–1873), English cricketer
 * Thomas Barker (fishing guide) (fl. 1591–1651), British author who wrote about fishing
 * Thomas Barker (mathematician) (1838–1907), Scottish mathematician and professor of pure mathematics
 * Thomas Barker (meteorologist) (1722–1809), weather observer
 * Thomas Barker (painter) (1769–1847), British painter of landscape and rural life
 * Thomas F. Barker (1828–1896), political figure in New Brunswick
 * Thomas Henry Barker (1841–1917), secretary of the Liverpool Chamber of Commerce
 * Thomas Holliday Barker (1818–1889), English temperance advocate and vegetarian
 * Thomas Jones Barker (1815–1882), English historical and portrait painter
 * Thomas Richard Barker (1799–1870), English Independent minister and college tutor
 * Thomas William Barker (1861–1912), Carmarthenshire solicitor
 * Tom Barker (basketball) (born 1955), retired American basketball player
 * Tom Barker (designer) (born 1966), British designer and academic
 * Tom Barker (trade unionist) (1887–1970), New Zealand tram conductor, trade unionist and socialist
 * Tom Barker (rugby union) (born 1956), Australian rugby union player