Matthew Lamb or Mathew Lamb may refer to:
Sir Matthew Lamb, 1st Baronet (1705–1768), British barrister and politician Matt Lamb (1932–2012), American painter Mathew Charles Lamb (1948–1976), Canadian spree killer and psychiatric patient, latterly a soldier in the Rhodesian Army Matt Lamb (cricketer) (born 1996), English cricketer Matthew Lamb (actor) (born 2012), American actor