| Unit Name: | Ninth Army |
| Dates: | 1941–1945 |
| Country: |  United Kingdom |
| Type: | Field army |
| Command Structure: | Middle East Command |
| Battles: | Second World War |
The Ninth Army was a field army formation of the British Army during the Second World War, formed on 1 November 1941 by the renaming of Headquarters, British Troops Palestine and Transjordan.[1] The Ninth Army controlled British and Commonwealth land forces stationed in the eastern Mediterranean.[2]
One of the formations that served under Headquarters British Troops Palestine and Transjordan and the Ninth Army was 1st Cavalry Division, which became 10th Armoured Division on 1 August 1941. Among other formations under British Troops Palestine and Transjordan were 7th Infantry Division, 8th Infantry Division (1939–1940), HQ Jerusalem Area (3 September 1939 – 31 October 1941), HQ Lydda Area (3 September 1939 – 31 October 1941) and HQ British Troops Cyprus (15 January 1940 – 31 December 1941).