John Crombie

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