Thomas Miller is the name of:
Politicians
- Thomas Miller (MP for Lynn) (by 1481–1547/48), MP for Lynn
- Thomas Miller (North Carolina), Governor in 1677
- Thomas Miller, Lord Glenlee (1717–1789), Scottish politician and judge, Member of Parliament 1761–1766
- Thomas B. Miller (1896–1976), U.S. Representative from Pennsylvania
- Thomas E. Miller (1849–1938), U.S. Representative from South Carolina
- Thomas H. Miller (Iowa) (1925-2001), Iowa politician and newspaper editor
- Thomas Miller (Saskatchewan) (1876–1945), Lieutenant-Governor of Saskatchewan in 1945
- Thomas W. Miller (1886–1973), U.S. Representative from Delaware
- Thomas John Miller (born 1944), State Attorney General of Iowa
- Thomas V. Miller, Jr. (born 1942), President of the Maryland State Senate
- Thomas J. Miller (diplomat) (born 1948), former U.S. Ambassador to Greece
- Sir Thomas Miller, 1st Baronet of Chichester (c. 1635–1705), MP for Chichester 1689–1695
- Sir Thomas Miller, 3rd Baronet (c. 1689–1733), MP for Chichester 1715–1727
- Sir Thomas Miller, 5th Baronet (c. 1735–1816), MP for Lewes 1774–1778 and Portsmouth 1806–1816
Sports
- Thomas Miller (footballer, born 1963), German footballer
- Thomas Miller (Scottish footballer), professional Scottish footballer who played as a winger
- Thomas Miller (cricketer) (1883–1962), English cricketer
- Tommy Miller (b.1979), English footballer
Others
- Thomas Miller (bookseller) (1731–1804), English bookseller
- Thomas Miller (poet) (1807–1874), English poet and novelist
- Thomas Miller (pastor), leader of Gateway Worship
- Thomas Miller (visual artist) (1920–2012), creator of the founders' mosaics at the DuSable Museum, Chicago
Thomas Miller (bassist), bassist of Symphony X
- Thomas H. Miller (1923–2007), United States Marine Corps Naval Aviator and test pilot
- Sir Thomas Miller, 6th Baronet (1781–1864), Church of England clergyman
- Thomas G. Miller, Commander United States First Army
- Thomas Francis Miller (1863-1939), American architect
- Tommy Miller, a character in the film Ah, Wilderness!