Vice Admiral Sir Geoffrey Schomberg Arbuthnot, KCB, DSO (18 January 1885 – 4 October 1957) was a senior officer in the Royal Navy.

Educated at the Britannia training establishment,[1] Arbuthnot joined the Royal Navy in 1900 and fought in the First World War, where he was mentioned in despatches and was awarded the Distinguished Service Order in 1919.

[2] He was appointed Naval Member of the Ordnance Committee at Woolwich in 1927 and then given command of the cruiser HMS Suffolk in 1929.

[1] He also served in the Second World War and, having been Commander-in-Chief, East Indies Station from 1941 to 1942,[1] Arbuthnot was made a Knight Commander of the Order of the Bath (1942) and a Knight of the French Legion of Honour.

[3] They three children; Mary Marguerite (1914–1999), Lieutenant Peter Charles Reginald (1915–1941) and Michael Geoffrey Henderson (1919–1967).