Thomas Clark may refer to:

Authors and academicians

• Thomas D. Clark (1903–2005), Kentucky historian
• Thomas Arkle Clark (1862–1932), American academic
• Thomas Clark (writer) (born 1980), Scottish writer
• Thomas Fife Clark (1907–1985), British journalist and civil servant

Business, commerce, and public service

• Thomas Clark (Upper Canada) (died 1835), Canadian businessman and political figure
• Sir Thomas Clark, 1st Baronet (1823–1900), Lord Provost of Edinburgh 1865–1888
• Thomas Clark (Long Beach) (1926–2020), mayor of Long Beach, California, 1975–1980, and 1982–1984
• Thomas Alonzo Clark (1920–2005), U.S. federal judge
• Tom C. Clark (1899–1977), U.S. Attorney General and Associate Supreme Court justice

Performing arts, and fine arts

• Thomas Clark (composer) (1775–1859), composer of West Gallery music
• Thomas Brown Clark (1895–1983), Scottish painter
• Thomas Clark (actor), English stage actor

Scientific disciplines and inventors

• T. H. Clark (1893–1996), American/Canadian geologist
• Thomas Clark (chemist) (1801–1867), British chemist
• Thomas J. Clark (1869–1907), American inventor

Sports

• Thomas Clark (cricketer), eighteenth-century cricketer
• Thomas Clark (rower) (1906–1990), American Olympic rower

Other people

• Thomas M. Clark (1812–1903), American Episcopal presiding bishop
• Thomas Clark (North Carolina soldier) (1741–1792), American officer of the American Revolutionary War

See also

• Tom Clark (disambiguation)
• Thomas Clarke (disambiguation)
• Thomas Clerk (disambiguation)
• Thomas Clerke (disambiguation)
• All pages with titles containing Thomas Clark