This article lists notable people with the given name Thomas.
Thomas à Beckett (judge) (1836–1919), Australian solicitor and judge
Thomas Boylston Adams (1772–1832), Massachusetts legislator and judge and brother of John Quincy Adams
Thomas Boylston Adams (1910–1997), Massachusetts executive, writer, and political candidate
Thomas Amarasuriya (1907–1979), Sri Lankan planter and politician
Thomas Anders (born 1963) German singer, songwriter and record producer
Thomas Andrew (photographer) (1855–1939), New Zealand photographer who lived in Samoa from 1891
Thomas Andrews (1873–1912), British businessman and shipbuilder
Thomas of Ashborne, English controversialist
Thomas Austin (pastoralist) (1815–1871), English settler in Australia who introduced rabbits into Australia in 1859
Thomas Audley, 1st Baron Audley of Walden (c.1488 – 1544), English barrister and judge, Lord Chancellor
Thomas H. Bak (born 1961), Polish-British cognitive neuroscientist
Thomas Baker (artist) (1809–1864), English landscape painter and watercolourist
Thomas Bangalter (born 1975), French DJ and member of Daft Punk
Thomas Bardwell (1704–1767), English portrait and figure painter, art copyist, and writer
Thomas Barnsley (1919–1992), British businessman
Thomas Baumert (born 1965), German-French physician-scientist and entrepreneur
Thomas Becket, Archbishop of Canterbury from 1162 until his murder in 1170
Thomas Bertrand-Hudon (born 1996), Canadian football player
Thomas Binger, American lawyer
Thomas G. Blomberg, American criminologist
Thomas Boylston (1644–1695), early-American doctor and patriarch of the influential Boylston family of Massachusetts
Thomas Blake Glover, Scottish merchant in Japan in the Bakumatsu and Meiji eras
Thomas Blumenfeld (born 1997), Canadian boxer
Thomas Bourchier (cardinal) (c.1411 – 1486), English cardinal and Lord Chancellor
Thomas Brodie-Sangster (born 1990), English actor
Thomas J. Brown, multiple people
Thomas Brugis, English surgeon
Thomas Bunday (1948–1983), American serial killer
Thomas Bussard (born 2002), Swiss ski mountaineer
Tom Calma (born 1953), Australian First Nations human rights and social justice campaigner
Thomas de Cantilupe (c. 1218–1282), Lord Chancellor of England and Bishop of Hereford
Thomas Cardozo (1838–1881), American educator, politician, and journalist
Thomas Carlyle (1795–1881), Scottish essayist, historian, and philosopher
Thomas Child (1841–1898), English photographer and engineer
Thomas Cheeseman (1845–1923), New Zealand botanist
Thomas Haden Church (born 1960), American actor
Thomas J. Clayton (1826–1900), American lawyer and judge
Thomas Sean Connery (1930–2020), Scottish actor
Thomas Cook (1808–1892), English businessman
Thomas Butler Cooper, American politician and lawyer
Thomas Joshua Cooper (born 1946), American photographer
Thomas Cooray (1901–1988), first Sri Lankan cardinal, Archbishop of Colombo, 1947–1976
Thomas Cornell (artist) (1937–2012), American artist
Thomas Cromwell (1485–1540), English lawyer and statesman who served as chief minister to King Henry VIII
Thomas Mewburn Crook (1869-1949), English sculptor
Thomas Crooks (disambiguation), multiple people
Thomas Crotty (1912–1942), American Coast Guardsman held as POW during World War II
Thomas "Tom" Cruise (born 1962), American actor and film producer
Thomas Dafydd, Welsh elegist and hymn writer
Thomas D'Alesandro Jr. (1903–1987), American politician
Thomas D'Alesandro III (1929–2019), American attorney and politician
Thomas Dang (born 1995), Canadian politician
Thomas Cullen Davis, American former oil tycoon
Thomas Delaney (born 1991), Danish professional footballer
Chris Thomas Devlin, American screenwriter
Thomas Roderick Dew (1802–1846), American professor and president of The College of William & Mary, influential pro-slavery advocate
Thomas E. Dewey (1902–1971), American lawyer and politician
Thomas Dolby (born 1958), English musician, producer, composer, entrepreneur and teacher
Thomas Dörflein (1963–2008), German zookeeper