Thomas or Tom Palmer may refer to:

Politicians

  • Thomas Palmer (Mayor of York) (c. 1219) on list of mayors of York
  • Thomas Palmer, in 1433, MP for Leicestershire
  • Thomas Palmer (MP for Rutland), in 1450, MP for Rutland
  • Sir Thomas Palmer (died 1553), soldier and courtier
  • Thomas Palmer (died 1582), MP for Sussex, Guildford and Arundel
  • Sir Thomas Palmer, 1st Baronet (1540–1626), "The Travailer"
  • Thomas Palmer (1542–1616), MP for Sussex
  • Thomas Palmer (died 1735), British Member of Parliament (MP) for Bridgewater
  • Sir Thomas Palmer, 4th Baronet, of Wingham (1682–1723), MP for Kent 1708–1710 and for Rochester 1715–1724
  • Sir Thomas Palmer, 4th Baronet, of Carlton (1702–1765), MP for Leicestershire 1754–1765
  • Thomas W. Palmer (1830–1913), U.S. Senator from the state of Michigan
  • Thomas Palmer (Florida politician) (1859–1946), lawyer and politician in Florida

Others

  • Thomas Palmer (burgess), English immigrant to colonial Virginia
  • Thomas Palmer (cyclist) (born 1990), Australian cyclist
  • Thomas Fyshe Palmer (1747–1802), Unitarian minister and political reformer
  • Tom Palmer (actor), American television actor particularly active in the 1960s, see "It Crawled Out of the Woodwork"
  • Tom Palmer (animator), American animator
  • Tom Palmer (business executive), Australian business executive
  • Tom Palmer (comics) (1942–2022), comic book illustrator
  • Tom Palmer (comedian), British comedian and actor
  • Tom Palmer (rugby union) (born 1979), English rugby player
  • Tom G. Palmer (born 1956), libertarian commentator and fellow of the Cato Institute
  • Tony Andruzzi (1925–1991), magician who sometimes performed as Tom Palmer