| IX Corps IX Corps District | |
|---|---|
&sq=Envato&lang=en&file=File:IX_corps.svg) Formation sign of IX Corps during the Second World War.[1] | |
| Active | 1915–1919 1941–1943 |
| Country |  United Kingdom |
| Branch |  British Army |
| Type | Corps |
| Engagements | First World War |
| Commanders | |
| Notable commanders | Frederick Stopford Julian Byng Alexander Hamilton-Gordon Walter Braithwaite John Crocker Brian Horrocks |
| Insignia | |
| Corps formation sign during the First World War.[2] | &sq=Envato&lang=en&file=File:IX_Corps_WW1.svg) |
IX Corps was a corps-sized formation of the British Army that existed during the First and the Second World Wars.