Alan Sapper (18 March 1931 – 19 May 2006) was a British trade unionist. Born in Hammersmith, Sapper studied at the Latymer Upper School, then worked as a botanist at Kew Gardens while studying with the University of London External Programme. He became active in the Institution of Professional Civil Servants, then in 1958 moved to work for the Association of Cinematograph, Television and Allied Technicians, initially also undertaking scriptwriting. He was General Secretary of the Writers' Guild of Great Britain from 1964, before returning to ACTT as General Secretary, serving until 1991, when the union merged with the Association of Broadcasting Staffs to form the Broadcasting Entertainment Cinematograph and Allied Trades Union (BECTU) of which he was briefly Joint General Secretary. He ac