John James Hamilton Dalrymple, 12th Earl of Stair, KT, DSO, DL (1 February 1879 – 4 November 1961), styled Viscount Dalrymple between 1903 and 1914, was a Scottish soldier and Conservative Party, later Unionist Party, politician.

He fought in the Second Boer War, where he took part in the march to occupy the Boer capitals Bloemfontein (March 1900) and Pretoria (June 1900), and was present at the successive battles of Diamond Hill (11–12 June 1900) and Bergendal (21–27 August 1900).

[1] Following the end of hostilities in early June 1902, he left Cape Town on board the SS Orotava,[2] and arrived at Southampton the next month.

He was captured by the Germans during the Great Retreat in 1914 and remained a prisoner until 1917 when he was repatriated for medical reasons, due to degradation in his eyesight.

[3] He was awarded the Distinguished Service Order in 1919, and retired the same year at the rank of lieutenant colonel.