John Crombie may refer to: John Crombie (Royal Navy officer) (1900–1972), Scottish Royal Navy admiral John Crombie (minister) (1789–1872), minister of the Church of Scotland John William Crombie (1858–1908), Scottish woollen manufacturer, folklorist and politician John Nicol Crombie (1827–1878), New Zealand photographer and businessman

See also Jonathan Crombie (1966–2015), Canadian actor