| South Lancashire Brigade 166th (South Lancashire) Brigade 166th (South Lancashire & Cheshire) Brigade 166th Infantry Brigade | |
|---|---|
| Active | 1902-1919 1920-1939 1944-1945 |
| Country |  United Kingdom |
| Type | Infantry |
| Size | Brigade |
| Part of | 55th (West Lancashire) Division |
| Engagements | First World War |
The 166th (South Lancashire) Brigade was an infantry brigade of the British Army that saw active service in the First World War and remained in the United Kingdom throughout the Second World War.