Sir Robert Neil Campbell KCMG CB CIE (28 September 1854 – 18 February 1928) was a Scottish physician whose career was in British India.

A son of Robert Campbell, of the British Linen Company's Bank, Edinburgh, and his wife Eliza Hamilton Forman, he was educated at the Edinburgh Institution for Languages and Mathematics and the University of Edinburgh. After graduating as a physician, he joined the Bengal Medical Service, which he rose to command. He was knighted in 1917."Campbell K.C.M.G. SIR (ROBERT) NEIL CAMPBELL " in Dod's Peerage, Baronetage and Knightage (1923), p. 151

Campbell retired to 29, Medina Villas, Hove, Sussex,The London Gazette, 2 October 1928, Issue 33426, p. 6386 but died at Lahore, while on a visit to India, in February 1928, aged 73."Deaths in the Services: Sir Robert Neil Campbell" in British Medical Journal, Vol. for 1928, p. 474

On 3 August 1881, at Lahore, Campbell married Ethel Bensley (1860–1927). They had four sons, William Norman (1884–1907), Neil Hamilton (1885–1886), Robert Charles Cowburn (1889–1915), and George Edward Forman Campbell (1893–1915), the last two of whom were killed in action in the First World War; and two daughters, Ethell Mary (1891–1939) and Margaret Amy (1898–1980). On 2 September 1918, in Mussoorie, India, Margaret Amy married Robert McGregor MacDonald Lockhart (1893—1981), a future Commander-in-Chief of the Indian Army.Burke's Genealogical and Heraldic History of the Peerage, Baronetage, and Knightage (1963), p. 2810"Sir Rob Lockhart" in Janet Podell, ed., Annual Obituary, 1981 (1982), p. 582

Honours 1909: Companion of the Order of the Indian EmpireThe India Office and Burma Office List (1928), p. 158 1912: Companion of the Order of the BathThe London Gazette, 11 June 1912, Issue 28617 (Supplement), p. 4298 1913: Knight of Grace of the Order of St John of JerusalemThe Edinburgh Gazette, 5 December 1913, Issue:12622, p. 1329 1917: Knight Commander of the Order of St Michael and St George

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