Samuel Henry Prior (10 January 1869 – 6 June 1933) was an Australian journalist and editor, best known for his editorship and ownership of "The Bulletin". Born in Brighton, South Australia, Prior was educated at Glenelg Grammar School and the Bendigo School of Mines and Industries. He started his career as a teacher, before becoming a mining reporter at the "Bendigo Independent". In 1887, he was assigned to Broken Hill, New South Wales, to report on the silver mine. He was briefly editor at the "Broken Hill Times" and then at its successor, "Broken Hill Argus". In 1889, Prior joined the "Barrier Miner" as editor, remaining in the role for 14 years, during which time he displayed nationalism and championed trade unionism and the Federation of Australia.