Thomas Brown
Thomas Brown may refer to:
Arts and literature
- Thomas Brown (satirist) (1662–1704), English satirist
 - Thomas Brown (philosopher) (1778–1820), Scottish poet and philosopher
 - Thomas Brown, pen name of Thomas Moore (1779–1852)
 - Thomas Brown (architect) (1781–1850), Scottish architect
 - Thomas Brown (prison architect) (1806–1872), Scottish architect
 - Thomas Edward Brown (1830–1897), Manx poet, scholar, and divine
 - T. Allston Brown (Thomas Allston Brown, 1836–1918), American theater critic and historian
 - Thomas Wilson Brown (born 1972), American actor
 
Business and industry
- Thomas Brown (businessman) (1738–1797), American husbandman, businessman, and land speculator
 - Thomas Brown (engineer) (1772–1850), English surveyor, engineer, businessman, and landowner
 - Thomas Forster Brown (1835–1907), English civil and mining engineer
 
Politics and law
Australia
- Thomas Brown (settler) (1803–1863), Australian pastoralist and politician
 - Thomas Brown (New South Wales colonial politician) (1811–1889), New South Wales politician
 - Thomas Brown (New South Wales politician) (1861–1934), Australian farmer and politician
 - Thomas Leishman Brown (1862–1946), Australian politician and trade unionist
 
United States
- Thomas Brown (Florida politician) (1785–1867), American politician, second Governor of Florida
 - Thomas Jefferson Brown (1836–1915), Chief Justice of the Supreme Court of Texas
 - Thomas H. Brown (mayor) (1839–1908), American politician, mayor of Milwaukee, Wisconsin
 - Thomas C. Brown (1870–1952), New York state senator
 - Thomas H. Brown (Michigan politician) (1917–2002), American politician
 
Other countries
- Thomas Watters Brown (1879–1944), Northern Irish politician
 - Thomas James Brown (1886–1970), British coal miner and Labour Party politician
 
Religion
- Thomas Brunce (a.k.a. "Thomas Brown", c. 1388–1445) English bishop of Rochester & of Norwich
 - Thomas Brown (martyr) (1530–1556), English protestant martyred during the Marian persecutions
 - Thomas Brown (minister of St John's, Glasgow) (1776–1847), moderator of the General Assembly of the Free Church of Scotland
 - Joseph Brown (bishop) (Thomas Joseph Brown, 1796–1880), English bishop of the Roman Catholic Church
 - Thomas Brown (minister and natural historian) (1811–1893), moderator of the General Assembly of the Free Church of Scotland, author of Annals
 - Tom Brown (bishop of Wellington) (born 1943), Anglican bishop in New Zealand
 - Thomas J. Brown (bishop of Maine) (born 1970), American bishop of the Episcopal Diocese of Maine
 
Science and medicine
- Thomas Broun (1838–1919), Scottish soldier and entomologist, born "Brown"
 - Thomas Brown of Lanfine and Waterhaughs (1774–1853), Scottish surgeon, botanist, and mineralogist
 - Thomas Brown (naturalist) (1785–1862), English naturalist
 - Thomas Graham Brown (1882–1965), Scottish physiologist and mountaineer
 - Thomas Townsend Brown (1905–1985), American scientific researcher and inventor
 - Thomas McPherson Brown (1906–1989), American rheumatologist
 - Thomas Edwin Burton Brown, British surgeon
 
Sports
Cricket
- Thomas Brown (cricketer, born 1845) (1845–?), English cricketer
 - Thomas Brown (cricketer, born 1848) (1848–1919), English cricketer
 - Thomas Brown (cricketer, born 1854) (1854–1936), English cricketer
 - Thomas Brown (cricketer, born 1863) (1863–1930), English cricketer
 
Other sports
- Thomas Brown (sport shooter) (1885–1950), American Olympic sport shooter
 - Thomas Brown (footballer) (fl. 1907–1910), English footballer
 - T. J. Brown (baseball) (Thomas Julius Brown, 1915–1973), American Negro league baseball player
 - Thomas P. Brown, Jr. (1921–2011), American tennis player
 - Thomas Brown (defensive end) (born 1957), American football defensive end
 - Tom Brown (rugby, born 1983), English rugby union and rugby league player
 - Tom Brown (rugby union, born 1990), Scottish rugby union player
 - Thomas Gow Brown, Scottish rugby union player
 - Thomas Brown (American football coach) (born 1986), American football running back
 
Others
- Thomas Brown (loyalist) (1750–1825), American Revolution commander of King's Rangers in Georgia
 - Thomas Storrow Brown (1803–1888), Canadian journalist, orator, and revolutionary
 - Thomas L. Brown II (1960–2021), United States Navy officer