An Army Group Royal Artillery (AGRA) was a British Commonwealth military formation during the Second World War and shortly thereafter. Generally assigned to Army corps, an AGRA provided the medium and heavy artillery to higher formations within the British Army.

XII Corps was an army corps of the British Army that fought in the First and Second World Wars. In the First World War, it formed part of the British Salonika Force on the Macedonian front. In the Second World War, it formed part of the British Second Army during Operation Overlord and the subsequent North-West Europe Campaign of 1944-46.