| 9th Infantry Brigade | |
|---|---|
| Active | 1914-1918 1939-1945 |
| Country |  United Kingdom |
| Branch |  British Army |
| Type | Infantry |
| Role | Infantry brigade |
| Size | Brigade |
| Part of | 3rd Infantry Division |
| Engagements | First World War Second World War |
| Commanders | |
| Notable commanders | Bernard Montgomery Brian Horrocks |
| Insignia | |
| Abbreviation | 9th Inf Bde |
The 9th Infantry Brigade was a Regular Army infantry brigade of the British Army that saw active service during both the First and Second World Wars.