|Jurisdiction||Government of the United Kingdom|
|Parent department||Office of the Second Sea Lord|
The Manning Department was a former Admiralty Department responsible for manning and war preparation planning from 1930 to 1934. The department was overseen by the Second Sea Lord and Chief of Naval Personnel.
A Mobilisation Division of the Admiralty Naval Staff was first established in May 1917  which had evolved out of the Mobilisation Division (Admiralty War Staff). On 12 January 1918 the mobilisation division of the Naval Staff was abolished and replaced by Mobilisation Department now part of the department of the Second Sea Lord. In December, 1930 when it was renamed the Manning Department until May, 1934 when it was abolished. In March 1946 this department was revived under a new name the Department of the Director of Manning.
The department was responsible for the planning and projecting all manning requirements and securing available resources to meet those plans.
Head of Department
Director of the Manning Department
- Rear-Admiral the Hon. Reginald A.R.Plunkett-Ernle-Erle-Drax: December 1930 – 2 April, 1932
- Rear-Admiral Arthur L. Snagge, 2 April, 1932 – 18 May, 1934
- Kennedy, Paul (24 April 2014). The War Plans of the Great Powers (RLE The First World War): 1880-1914. Routledge. p. 128. ISBN 9781317702528.
- Black, Nicholas (2009). The British naval staff in the First World War (1. publ., transferred to digital pr. ed.). Woodbridge: Boydell Press. p. 155. ISBN 9781843834427.