Thomas Speakman Barnett (September 3, 1909 – June 5, 2003) was a politician born in Red Deer, Alberta, Canada. He attended schools in Alberta and British Columbia, and earned a degree at the University of British Columbia. He married Ruth Evelyn Pidcock on July 1, 1942. He worked in saw mills, as editor of the Wells Chronicle (Wells, BC), and was active in trade union affairs.