| Sir John Douglas | |
| Order: | Acting |
| Office: | Governor of British Ceylon |
| Term Start: | 10 July 1883 |
| Term End: | 3 December 1883 |
| Predecessor: | James Robert Longden |
| Successor: | Arthur Hamilton-Gordon |
| Term Start1: | 17 February 1876 |
| Term End1: | 17 August 1878 |
| Monarch1: | Queen Victoria |
| Governor1: | Sir William Jervois William C. F. Robinson |
| Successor1: | Sir Cecil Clementi Smith |
| Order2: | 16th |
| Term Start2: | 10 March 1870 |
| Term End2: | 16 June 1876 |
| Predecessor2: | Robert John Callander |
| Successor2: | C. A. D. Barclay |
| Birth Date: | 5 December 1836 |
| Birth Place: | Limerick, Ireland |
| Death Place: | British Ceylon |
| Restingplace: | St Paul's Church, Kandy, British Ceylon |
| Spouse: | Alice Anne Claughton |
| Father: | Lt Gen Sir James Dawes Douglas |
| Mother: | Marianne Bullock |
Sir John Douglas (5 December 1836 - 22 August 1885) was the Irish-born son of Lt Gen Sir James Dawes Douglas (1795–1862) and Marianne Bullock.[1]
Douglas was in the Civil Service of Mauritius 1859–1869 when he transferred to Ceylon where he was Auditor-General between 1869 and 1876. He became Colonial Secretary of the Straits Settlements on 17 February 1876[2] – 17 August 1878[3] before returning to Ceylon as Lieut.-Governor and Colonial Secretary, 1878–1880. He was appointed Acting Governor, 10 July 1883 – 3 December 1883.[4]
Douglas was appointed Knight Commander of the Order of St Michael and St George (KCMG) in the 1883 Birthday Honours.[5]
Douglas had married, in 1871, Alice Anne, daughter of Right Rev. Piers Calveley Claughton (d. 1884), Bishop of Colombo, Ceylon. They had five children.
Sir John Douglas died in Ceylon on 23 August 1885 and was buried at St Paul's Church, Kandy.[6]