Admiral of the Fleet Sir Reginald Yorke Tyrwhitt, 1st Baronet, GCB DSO (/ˈtɪrɪt/; 10 May 1870 – 30 May 1951) was a Royal Navy officer.

After the war, Tyrwhitt went on to be Senior Naval Officer, Gibraltar, commander of the 3rd Light Cruiser Squadron in the Mediterranean Fleet and then Commander-in-Chief, Coast of Scotland.

[2] Tyrwhitt was given command of the Harwich Force at the start of the First World War flying his broad pendant in the protected cruiser HMS Amethyst.

[8] During the Battle of Jutland in May 1916, the Admiralty held back Tyrwhitt's forces in case of a German attack on the coast.

[8] Tyrwhitt was awarded the Distinguished Service Order on 3 June 1916,[9] appointed a Commander of the French Legion of Honour on 15 September,[10] and made a naval aide-de-camp to the King on 21 May 1917.

[8] Promoted to vice admiral on 18 January 1925,[17] he went on to be Commander-in-Chief, China with his flag in Hawkins in November 1926 during a period of disturbances and tension with the Nationalist Government.

[18] Promoted to full admiral on 27 February 1929[19] and advanced to Knight Grand Cross of the Order of the Bath on 30 July 1929,[20] he went on to be Commander-in-Chief, The Nore in May 1930.