Hughes-Hallett may refer to several people with the surname:
Charles Hughes-Hallett (1898-1985), British Royal Navy officer Deborah Hughes Hallett, British mathematics education reformer Francis Hughes-Hallett (1838–1903), British politician Grace Hughes-Hallett, British documentary filmmaker James Hughes-Hallett (1949-2019), British businessman and investor John Hughes-Hallett (1901-1972), British politician Kathleen Hughes-Hallett (1918-2002), Canadian fencer Lucy Hughes-Hallett (born 1951), British cultural historian and biographer Norton Hughes-Hallett (1895–1985), British army officer and cricket player Sir Thomas Hughes-Hallett (born 1954), British barrister, investment banker and philanthropy executive