Thornton is a masculine given name borne by:
Thornton Blackburn (c. 1812–1890), American escaped slave and entrepreneur in Canada Thornton W. Burgess (1874–1965), American conservationist, author of children's stories and radio personality Thornton Chandler (born 1963), American former National Football League player Thornton Chase (1847–1912), Union officer commanding United States Colored Troops during the American Civil War and first western convert to the Baháʼí Faith Thornton Leigh Hunt (1810–1873), English journalist, first editor of the British newspaper The Daily Telegraph Thornton A. Jenkins (1811–1893), United States Navy rear admiral, chief of the Bureau of Navigation and president of the United States Naval Institute Thornton Oakley (1881–1953), American artist and illustrator Thornton Wilder (1897–1975), American playwright and novelist Thornton Willis (1936–2025), American abstract painter Thornton Wilson (1921–1999), American business executive, chairman of the board and chief executive officer of Boeing