Joseph Arthurlin Harriott (15 July 1928 – 2 January 1973) was a Jamaican jazz musician and composer, whose principal instrument was the alto saxophone. Initially a bebopper, he became a pioneer of free-form jazz. Born in Kingston, Harriott moved to the United Kingdom as a working musician in 1951 and lived in the country for the rest of his life. He was part of a wave of Caribbean jazz musicians who arrived in Britain during the 1950s, including Dizzy Reece, Harold McNair, Harry Beckett and Wilton Gaynair.

Born in Kingston, Jamaica, Harriott was educated at Alpha Boys School, an orphanage in the city. At Alpha he learned to play the clarinet, the instrument that was assigned to him shortly before his tenth birthday. He took up the baritone and tenor saxophone while performing with local dance bands, before settling on the alto saxophone. Harriott arrived in London in the summer of 1951, aged 23, as a member of Ossie Da Costa’s band. British subjects did not require work permits or immigration visas at that time. When the band had completed their tour, Harriott decided to stay in London. He caught the attention of London’s jazz scene while sitting in at the Feldman Club on Oxford Street on 26 August 1951.