John Frederick Norman Hampson Simpson (26 March 1901 – 26 December 1955), who wrote as John Hampson, was an English novelist.
Best known for his 1931 novel Saturday Night at the Greyhound – an unexpected success for the Hogarth Press – he was a member of the Birmingham Group of working class authors which included Walter Allen, Leslie Halward, Walter Brierley and Peter Chamberlain.
His elder brother was the motorcycle racer, Jimmy Simpson (James Hampson-Simpson).