Thomas Jones may refer to:
Business
- Thomas V. Jones (1920–2014), American businessman
- Thomas O. Jones (born 1944), American business executive and conservationist
- Thomas W. Jones (born 1949), American businessman
Civil Servants
- Thomas Mercer Jones (1795–1868), British-Canadian administrator
- Thomas Jones (civil servant) (1870–1955), British civil servant and educationalist
Clergy
- Thomas Jones (bishop) (c. 1550–1619), Anglican archbishop in Dublin
- Thomas Jones (priest) (died 1682), defender of Anglican Christianity
- Thomas Jones of Denbigh (1756–1820), Methodist clergyman, hymnwriter
- Thomas Jones (missionary) (1810–1849), Christian missionary to the Khasi people, India
- Thomas Jones (minister) (1819–1882), Welsh Independent preacher
- Thomas Sherwood Jones (1872–1972), suffragan bishop of Hulme, Manchester, 1930–1945
Legal
- Thomas Jones (justice) (1614–1692), British judge
- Thomas A. Jones (1859–1937), Republican lawyer and judge in Ohio, USA
- Thomas R. Jones (judge) (1913–2006), American judge
Military
- Major Thomas Jones (died 1713), Irish-born immigrant to Long Island, USA
- Thomas Jones, 7th Viscount Ranelagh (1812–1885), proponent of British volunteer force
- Thomas Alfred Jones VC DCM (1880–1956), British recipient of the Victoria Cross
- Thomas ap Catesby Jones (1790–1858), U.S. Navy officer
- Thomas Jones (Medal of Honor) (1820–1892), American Civil War sailor
Poets
- T. Gwynn Jones (1871–1949), Welsh-language poet
- Thomas Henry Jones, known as T. Harri Jones (1921–1965), poet in Britain and Australia
Politicians
- Thomas Jones (MP for Wallingford), 15th-century Member of Parliament for Wallingford
- Thomas Jones (died 1559), MP for Carmarthenshire and Pembrokeshire
- Thomas Jones (MP for Hereford) (died 1628), MP for Hereford
- Thomas Jones (died 1711), MP for East Grinstead
- Thomas Jones (South Carolina) (1742-1836), fifth intendent (mayor) of Charleston, South Carolina
- Thomas Tyrwhitt Jones (1765–1811), MP for Weymouth and Melcombe Regis
- Thomas McKissick Jones (1816–1892), American politician, Tennessee
- Thomas Laurens Jones (1819–1887), American politician, Kentucky
- Thomas G. Jones (1844–1914), Governor of Alabama, USA
- Thomas Jones, Baron Maelor (1898–1984), British MP for Meirionnydd
- Thomas B. Jones, early 20th-century American politician, Virginia
Scientists
- Thomas Jones (mathematician) (1756–1807), British mathematician and academic
- Thomas P. Jones (1774–1848), mechanical engineer and publisher in USA
- Thomas Jones (optician) (1775–1852), British astronomical instrument maker and Fellow of the Royal Society
- Thomas Wharton Jones (1808–1891), ophthalmologist and physiologist
- Thomas Rymer Jones (1810–1880), British surgeon, academic and zoologist
- Thomas Rupert Jones (1819–1911), British geologist
- Thomas David Jones (born 1955), American astronaut
Sportsmen
- Thomas Jones (American football) (born 1978), American football player
- Thomas Babington Jones (1851–1890), Welsh cricketer
- Thomas Jones (footballer, born 1879) (Thomas Trevellyan Jones, 1879–?), footballer who played as an outside left with Small Heath in the 1900s
- Thomas Jones (footballer, born 1884) (Thomas Daniel Jones, 1884–1958), Welsh international football inside left who played for Nottingham Forest in the 1900s
- Thomas Jones (footballer, born 1885) (1885–?), footballer who played as a centre forward and outside right with Everton (1900s) and Birmingham (1910s)
- T. G. Jones (Thomas George Jones, 1917–2004), Welsh international football defender who played with Everton either side of World War II
- Thomas Jones (rugby player) (1895–1933), Welsh international rugby union player
- Thomas Baker Jones (1862–1959), Welsh rugby player