Arthur Graham Owens, later known as Arthur Graham White (14 April 1899 – 24 December 1957), was a Welsh double agent for the Allies during the Second World War. He was working for MI5 while appearing to the Abwehr (the German intelligence agency) to be one of their agents. Owens was known to MI5 by the codename SNOW, which was chosen as a play on his last name.