Prof John Robert Urquhart Dewar FECVS (1850–1919) was a 19th/20th-century Scottish veterinarian who served as Principal of the Dick Vet school in Edinburgh from 1895 to 1911.
In 1875, he won a silver medal in General Proficiency from the Highland and Agricultural Society of Scotland.
[5] By the time of his retiral in 1911 he was living at 18 Drummond Place, a very fine Georgian townhouse.
[8] Dewar was one of twenty "shadow portraits" created in the Summerhall building of the college, depicting former Principals.
They had three daughters: Mary (1881-1955), Jessy Urquhart (1884-1941) and Helen Agnes (1886-1964)Their only son William Gordon Dewar was drowned in Leith Docks aged 11.