Thornhill (surname)

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


 * Alan Thornhill (1921–2020), British sculptor
 * Arthur Thornhill (1850–1930), English politician
 * Batt Thornhill, Irish sportsperson
 * Charles Thornhill (1814–1881), English cricketer
 * Claude Thornhill (1909–1965), American pianist, arranger and bandleader
 * Claude E. Thornhill (1893–1956), American college football player and coach
 * Dorothy Thornhill (born 26 May 1955), British politician, Mayor of Watford
 * Frederick Thornhill (1846–1876), English cricketer
 * George Thornhill (MP) (1783–1852), English member of parliament
 * George Thornhill (cricketer) (1811–1875), English cricketer
 * James Thornhill (1675/6–1734), English painter
 * Juan Thornhill (born 1996), American football player
 * Leeroy Thornhill (born 1969), British electronic music artist
 * Leonard W. Thornhill (1915–1942), American World War II Naval officer and pilot
 * Lisa Thornhill (born 1962), American actress
 * Matt Thornhill (born 1988), English footballer
 * Michael Thornhill (1941–2022), Australian film producer, screenwriter, and director
 * Nina Thornhill (born 1953), British chemical engineer
 * Pauline Thornhill, host and producer of Canadian Broadcasting Corporation's longest running regional television program, Land and Sea
 * Roland Thornhill (born 1935), Canadian politician
 * Siri Thornhill, Norwegian soprano
 * Thomas Thornhill (1837–1900), British politician
 * Tom Thornhill (born 1952), American lawyer and politician
 * William Thornhill (MP for Poole) (c. 1500 – 1557), English politician
 * William Pole Thornhill (1807–1876), English politician and landowner


 * Fictitious
 * Roger O. Thornhill, character played by Cary Grant in North by Northwest
 * Ernest Thornhill, alias of The Machine in Person of Interest (TV series)