| Twelfth Army | |
|---|---|
&sq=&lang=&file=File:12th_army.svg) 12th Army formation badge. | |
| Active | May — November 1945 |
| Country |  United Kingdom |
| Branch |  British Army |
| Type | Army |
| Size | Field army |
| Engagements | Battle of the Sittang Bend |
The Twelfth Army was a British Army formation during the Second World War. The Twelfth Army denotation was actually used twice; firstly, in 1943, for a fictional formation and secondly, in 1944/45, in Burma.
The Twelfth Army moniker was originally used by Advanced Headquarters 'A' Force, a Cairo-based deception department created by Dudley Clarke, for a formation used in Operation Barclay and Operation Zeppelin. It was later used for a real formation in Burma, which took over operations from the Fourteenth Army and would later become Burma Command.