No. 3 Group (3 Gp) of the Royal Air Force was an RAF group first active in 1918, again in 1923–26, part of RAF Bomber Command from 1936 to 1967, and part of RAF Strike Command from 2000 until it disbanded on 1 April 2006. No. 3 Group was first formed on 10 May 1918 as part of South-Eastern Area. No. 13 Group RAF was merged into 3 Group on 18 October 1919. Group Captain took command on 30 November 1919. The Group was disbanded on 31 August 1921.