Anthony Wilson Cowgill (7 November 1915 – 29 October 2009) was a British soldier, engineer and researcher. After a 30-year career in the Army he worked for Rolls-Royce and set up a company offering information and access to government. Past retirement age he initiated his own private inquiry into the Repatriation of Cossacks after World War II, and published the English texts of European Union treaties.