Sidney Hayers (24 August 1921 – 8 February 2000) was a British film and television director, writer and producer.
Born in Edinburgh, Scotland, Hayers began his career as a film editor. Among the films he directed are Circus of Horrors (1960), the occult thriller Night of the Eagle (1962), a musical Three Hats for Lisa (1965) and The Trap (1966).
In British TV, his credits included The Persuaders! and The New Avengers; he later directed several American TV shows, including episodes of Magnum, P.I., The A-Team, Knight Rider, T. J. Hooker, Baywatch and The Famous Five.
Hayers died of cancer in 2000 in Altea, Spain, survived by his wife, the actress . He had two children, Susan and Robert from his first marriage, to Patricia.