Chief of Naval Materiel
|Office of the Chief of Naval Materiel|
|Department of Admiralty|
|Member of||Board of Admiralty (1917-1918)|
|Reports to||Chief of Naval Staff|
|Appointer||First Lord of the Admiralty (1917-1918)|
Subject to formal approval by the Queen-in-Council
|Term length||Not fixed (typically 3–4 years)|
|Precursor||Controller of the Navy|
|First holder||Rear-Admiral Lionel Halsey|
|Final holder||Rear-Admiral Lionel Halsey|
|Succession||Controller of the Navy|
The Chief of Naval Materiel (abbreviated as CNM) was a senior Royal Navy appointment created in 1917 when the former Controller of the Navy's title was renamed. The office existed only till 1918 when it was changed back to its original. This office was held jointly with that of the Third Sea Lord.
- Rear-Admiral Lionel Halsey, 1917–1918.