Brian Rossiter Crozier (4 August 1918, in Shire of Cloncurry, Queensland – 4 August 2012) was a historian, propagandist and journalist. He was also one of the central staff members of a secret propaganda department belonging to the UK Foreign Office, known as the Information Research Department (IRD) which republished and supported much of his work, and used his position to insert propaganda articles within British publications.