| 2nd West Lancashire Division 57th (2nd West Lancashire) Division | |
|---|---|
_Division&sq=&lang=&file=File:57th_Division_ww1.svg) First World War division insignia | |
| Active | 5 November 1914–4 July 1919 9 November 1943 – 29 July 1944 |
| Country |  United Kingdom |
| Branch | _Division&sq=&lang=&file=File:Flag_of_the_British_Army.svg){kind=small} Territorial Force |
| Role | Infantry Division (1914-1919) Deception formation (1943-1944) |
| Engagements | Second Battle of Passchendaele Second Battle of Arras Battles for the Hindenburg Line |
| Commanders | |
| Notable commanders | Robert George Broadwood Reginald Barnes |
The 57th (2nd West Lancashire) Division was an infantry formation of the Territorial Force created in 1914 as part of the massive expansion of the British Army during the First World War. It served on the Western Front during 1917 and 1918. The divisional number was reactivated for deception purposes during the Second World War.