Dart is a surname. Notable people with the surname include:

• Doc Corbin Dart (born 1953), American punk rock singer
• G. F. J. Dart (1905–1978), New Zealand educational reformer and scholar
• Harriet Dart (born 1996), British professional tennis player
• Harry Grant Dart (1869–1938), American cartoonist and illustrator
• Jaxson Dart (born 2003), American football player
• Justin Whitlock Dart Sr. (1907–1984), American entrepreneur
• Justin Whitlock Dart Jr. (1930–2002), American disability activist
• Kenneth Dart (born 1955), American businessman and billionaire
• Leslee Dart, American publicist and entrepreneur
• Raymond Dart (1893–1988), Australian anatomist and anthropologist
• Rollin Dart (1925–2016), American banker
• Tom Dart (born 1962), American lawyer and politician, and sheriff of Cook County, Illinois
• Thurston Dart (1921–1971), British musicologist
• William A. Dart (1814–1890), American lawyer and politician
• Yoshiko Dart, disability rights activist
• Joe Dart (born 1991), bassist of funk band Vulfpeck