Air Commodore Edward Barnes Sismore DSO, DFC & Two Bars, AFC, AE (23 June 1921 – 22 March 2012) was a British air navigator and fighter pilot during the Second World War, and a senior Royal Air Force officer in the post-war years.
Sismore served as the thirteenth Commandant Royal Observer Corps between 1971 and 1973.During his time as Commandant ROC, Sismore travelled overseas to France, Germany and Scandinavian countries, visiting similar defence warning organisations.
He established a close relationship with the Luftmeldekorpset Danish Air Reporting Corps, a unit of the country's Home Guard.