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), Kansas state legislator
  • 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