John Beckett may refer to:
Politicians Sir John Beckett, 2nd Baronet (1775–1847), British lawyer and Tory politician John Beckett (politician) (1894–1964), British Labour Party then far right politician
Others John Beckett (American football) (1892–1981), American college football player John Beckett (GC) (1906–1947), Royal Air Force airman John Beckett, Lord Beckett, Scottish judge of the Supreme Courts John S. Beckett (1927–2007), Irish musician, composer, and conductor John R. Beckett (1918–2010), American businessman John Beckett (historian) (born 1950), professor of English regional history John Beckett (born 1958), guitarist with Adam and the Ants, stage name Johnny Bivouac.