Lieutenant-General Sir Thomas Ralph Eastwood, KCB, DSO, MC (10 May 1890 – 15 February 1959) was a senior British Army officer who notably served as Governor of Gibraltar towards the end of the Second World War.

After participating in the occupation of German Samoa, Eastwood left New Zealand with the Third Reinforcement in February 1915, arriving at Suez by sea forty days later.

[2] In April 1915, his battalion was deployed to Gallipoli, where he served as a staff captain[8] and was later awarded the Military Cross (MC) for his leadership of a column during a night assault on 6–7 August 1915.

[5][9]After service with the Egyptian Expeditionary Force (EEF), Eastwood's brigade was transferred to France, where in October 1917 he became a general staff officer with the rank of major.

[5] Eastwood transferred back to the British Army on 17 October 1918, and in 1919 he served in the ill-fated North Russia Intervention, as brigade major on General Lord Rawlinson's staff.

He was briefly given command of the 18th Infantry Division, before taking on the role of Chief of Staff in the short-lived Second British Expeditionary Force.