Thomas Marshall
Thomas Marshall may refer to:
Politicians
- Thomas Marshall (fl. 1376), MP for Somerset
 - Thomas Marshall (fl. 1421), MP for Kingston upon Hull
 - Thomas Marshall (Virginia politician, born 1730) (1730–1802), American politician and soldier, father of U.S. Supreme Court Chief Justice John Marshall
 - Thomas Marshall (Virginia politician, born 1784) (1784–1835), grandson of above and Virginia delegate
 - Thomas Marshall (Canadian politician) (1864–1951), also known as Thomas A. Marshall, MLA in Ontario, Canada
 - Thomas A. Marshall (1794–1871), U.S. representative from Kentucky
 - Thomas F. Marshall (North Dakota politician) (1854–1921), U.S. representative from North Dakota, 1901–1909
 - Thomas Francis Marshall (1801–1864), U.S. representative from Kentucky, 1841–1843
 - Thomas R. Marshall (1854–1925), vice president under Woodrow Wilson, 1913–1921
 - Thomas C. Marshall (1851–1911), pioneer, lawyer, judge, and mayor of Missoula, Montana
 - Thomas Marshall (Illinois politician) (1817–1873), lieutenant governor of Illinois
 - Thomas Marshall (Maine politician) (1826–1861), American politician and military commander from Maine
 - Thomas Hay Marshall (1770–1808), lord provost of Perth, Scotland
 
Religious figures
- Thomas Marshall (Abbot of Colchester) (died 1539), Roman Catholic priest
 - Thomas Marshall (Dean of Gloucester) (1621–1685), English scholar and Anglican priest
 - Thomas Marshall (Archdeacon of Lincoln), 16th-century English priest
 
Military
- Thomas Marshall (general) (1793–1853), brigadier general of volunteers during the Mexican–American War
 - Thomas W. Marshall Jr. (1906–1942), officer in the United States Navy 1930–1942
 
Sportsmen
- Thomas Roger Marshall (1849–1913), Scottish rugby player
 - Thomas Marshall (footballer, born 1858) (1858–1917), England international footballer from the 1880s
 - Thomas Marshall (footballer, fl. 1898–1906), played for Bolton Wanderers and Burnley in the 1900s
 
Others
- Thomas Marshall (songwriter) (c. 1806 – 1866), Newcastle-born songwriter
 - T. H. Marshall (Thomas Humphrey Marshall, 1893–1981), British sociologist
 - Thomas William Marshall (controversialist) (1818–1877), Catholic controversialist
 - Thomas William Marshall (painter) (1875–1914), English painter
 - Thomas Ansell Marshall (1827–1903), English reverend and entomologist
 - Thomas Falcon Marshall (1818–1878), English artist
 - Thomas C. Marshall Jr. (died 2019), philanthropist, historian and antique car collector
 - Thomas Marshall (died 1900), Flannan Isles lighthouse keeper who famously disappeared without trace
 - Thomas H. Marshall, author of The Irish Necromancer published in 1821