Thomas King or Tom King may refer to:
Politicians
Thomas King (died 1688), English merchant and politician
Thomas King (died 1725), member of parliament for Queenborough, son of the above
T. Butler King (1800–1864), American politician from Georgia
SS Thomas B. King, a Liberty ship
Thomas King (New Zealand politician) (1821–1893), New Zealand politician
Thomas King (Australian politician) (1833–1886), South Australian minister of education, 1878–1881
Thomas King (Canadian politician) (1879–1972), merchant, farmer and politician in British Columbia, Canada
Thomas R. King (fl. 1943–44), chairman of the Democratic Party of Wisconsin
Tom King, Baron King of Bridgwater (born 1933), British Conservative politician
Tom King (Mississippi politician) (born 1947), Mississippi transportation commissioner, former state senator
Sports
Thomas King (boxer) (1835–1888), English boxer, heavyweight champion of England
Tom King (basketball) (1924–2015), American professional basketball player
Tom King (footballer, born 1995), Wales international football goalkeeper
Tom King (footballer, born 2006), English football forward
Tom King (sailor) (born 1973), Australian sailing gold medalist at the 2000 Summer Olympics
Tom King (American football) (1895–1972), American college football and basketball player and coach
Others
Thomas Joseph King (army officer) (1891–1971), New Zealand army officer
Tom King (highwayman) (died 1737), English highwayman
Thomas King (actor) (1730–1805), English actor, theatre manager and dramatist
Thomas A. King (1921–2012), rear admiral and first graduate of the United States Merchant Marine Academy
Thomas Starr King (1824–1864), American Unitarian minister, influential in California politics during the American Civil War
Thomas King (astronomer) (1858–1916), New Zealand astronomer
Thomas King (botanist) (1834–1896), Scottish botanist
Thomas C. King (c. 1847–1904), one of the first Black settlers in Oregon
Thomas Joseph King (1921–2000), American biologist
Thomas J. King Jr. (1925–1994), American educator and Shakespearean scholar
Thomas M. King (1929–2009), American Jesuit priest and scholar of theology and philosophy at Georgetown University
Thomas King (merchant), British merchant and privateer
Thomas King (novelist) (born 1943), Canadian novelist and broadcaster
Thomas King (slave trader), British slave-trader
Thomas Wilkinson King (1809–1847), English pathologist and anatomist
Tom King (musician) (1942–2011), songwriter, founding member of the 1960s rock band The Outsiders
Tom King (writer) (born 1978), novelist and comic book writer
Harry Balk or Tom King (1925–2016), American record producer and songwriter
Fictional people
Tom King (Emmerdale), a character in the British soap opera Emmerdale
Thomas King (Emmerdale), a character in the British soap opera Emmerdale