Gladwell is an English surname. Notable people with the surname include:
David Gladwell (born 1935), British film editor and director Malcolm Gladwell (born 1963), Canadian writer Nathan Gladwell (fl. 2000s), British actor Robbie Gladwell, British rock and blues guitarist Rodney Gladwell (1928–1979), British artist Shaun Gladwell (born 1972), Australian contemporary artist