John Peck may refer to:
John Peck (naval architect) (1725–1790), American merchant and naval architect of the revolution era John Peck (diplomat) (1913–1995), British ambassador to Senegal, 1962–1966, and Ireland, 1970–1973 John Peck (politician) (1922–2004), British communist politician John Peck (footballer) (1937–1993), Australian rules footballer, played for Hawthorn, 1954–1968 John Peck (poet) (born 1941), American poet John Peck (cartoonist) (1942–2025), American cartoonist known as the Mad Peck John Peck (amputee) (born 1985), American veteran and quadruple amputee John Peck (baseball) (born 2002), American professional baseball player John C. Peck (1828–?), American businessman and building contractor John E. L. Peck (1918–2013), first permanent head of the computer science department at the University of British Columbia J. Eddie Peck (John Edward Peck, born 1958), American actor John H. Peck (1838–1919), tenth president of Rensselaer Polytechnic Institute John J. Peck (1821–1878), U.S. soldier who fought in the Mexican–American War and American Civil War John L. Peck (1857–1927), Canadian politician in the Legislative Assembly of New Brunswick John M. Peck (died 1985), American politician from Virginia John Mason Peck (1789–1858), American Baptist missionary John Weld Peck (1874–1937), United States federal judge John Weld Peck II (1913–1993), United States federal judge