Robert Duncan Sherrington (21 January 1902 – 16 March 1966) was an Australian politician. Born in Maryborough, Queensland, he was educated there before becoming a sugar mill chemist and field cane inspector. He was a cane grower from 1943. In 1961, he was elected to the Australian Senate as a Liberal Senator for Queensland. He remained in the Senate until his death in 1966, necessitating the appointment of Bill Heatley to replace him.