| 12th Indian Brigade | |
|---|---|
| Active | January 1915 – March 1919 |
| Country |  British India |
| Allegiance | British Crown |
| Branch |  British Indian Army |
| Type | Infantry |
| Size | Brigade |
| Part of | 12th Indian Division 15th Indian Division |
| Engagements | First World War |
| Commanders | |
| Notable commanders | Br.-Gen. Edmund Costello VC |
The 12th Indian Brigade was an infantry brigade of the British Indian Army that saw active service in the First World War. It served in the Mesopotamian Campaign on the Euphrates Front throughout its existence.