Third Army (United Kingdom)
| Third Army | |
|---|---|
| 3rd Army formation badge. | |
| Active | 1915–1919 | 
| Country | United Kingdom | 
| Branch | British Army | 
| Type | Field army | 
| Engagements | Battle of the Somme Battle of Arras Battle of Cambrai Battle of Passchendaele Battle of Amiens Hundred Days Offensive | 
| Commanders | |
| Notable commanders | Edmund Allenby Sir Julian Byng | 
The Third Army was a field army of the British Army during World War I that saw active service on the Western Front throughout the war.