Thomas Barnes may refer to:

• Thomas Barnes (cricketer) (1849–1873), English cricketer
• Thomas Barnes (journalist) (1785–1841), British journalist and editor of The Times
• Thomas Barnes (MP) (1812–1897), MP for Bolton
• Sir Thomas Barnes (solicitor) (1888–1964), English government lawyer
• Thomas Barnes (Unitarian) (1747–1810), English Unitarian minister and educational reformer
• Thomas G. Barnes (1911–2001), American physicist and creationist
• Thomas H. Barnes (1831–1913), American politician and physician from Virginia
• Thomas N. Barnes (1930–2003), fourth Chief Master Sergeant of the U.S. Air Force
• Thomas Wilson Barnes (1825–1874), English chess master
• Tom Barnes (American journalist) (1946–2016), journalist from Pennsylvania
• Tom Barnes (bobsleigh) (born 1959), American Olympic bobsledder
• Tom Barnes (gymnast) (born 1990), Scottish gymnast
• T. Roy Barnes (Thomas Roy Barnes, 1880–1937), British-American actor
• Thomas Barnes (politician), first speaker of the Mississippi House of Representatives
• Tommy Barnes (1951–2013), American football player and coach

This disambiguation page lists articles about people with the same name.
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