Sir Samuel Benson "Ben" Dickinson was an Australian geologist. He was government geologist in South Australia, before being appointed director of exploration for Rio Tinto Australia in 1956. In the 1960s he was a mining consultant working from Sydney, which include exploration work for Gove Bauxite Corporation in the Northern Territory. He retired in 1975, but continued to serve as a ministerial advisor in Adelaide for a further 10 years. He was knighted in 1980.