David Webb may refer to:

Politics and activism David Webb (anti-censorship campaigner) (1931–2012), British actor and anti-censorship activist David Webb (politician) (born 1954), American politician from Kansas David Webb (Hong Kong activist) (1965–2026), British-born corporate and economic governance activist in Hong Kong

Science D. A. Webb (David Allardice Webb, 1912–1994), Irish botanist David C. Webb (1928–2016), Irish-born philanthropist and aerospace consultant David Webb (pharmacologist) (born 1953), British pharmacologist David Webb (mathematician), American mathematician

Sports David Webb (rowing) (1943–2020), British Olympic rowing coxswain David Webb (footballer) (born 1946), English footballer and manager David Webb (runner) (born 1982), British marathon runner

Other David Webb (jeweler) (1925–1975), American jeweler David Webb (filmmaker) (born 1935), British filmmaker and caver Forest DLG (David L. G. Webb, born 1984), British music producer and DJ David Webb (character) or Jason Bourne, the title character of several Robert Ludlum and Eric Van Lustbader novels and the films based on them