John Mackenzie may refer to: John Mackenzie, 9th of Kintail (died 1561), chief of the Clan Mackenzie John Mackenzie, Lord MacLeod (1727–1789), Scottish Jacobite and soldier of fortune John Mackenzie (banker) (1787–1854), Provost of Inverness John Mackenzie (1806–1848), Scottish scholar of Gaelic literature John Mackenzie (missionary) (1835–1899), Scot who championed the rights of Africans in Southern Africa and proposed British intervention to curtail Boer influence John MacKenzie (doctor) (died 1837), Scottish army surgeon and physician John Stuart Mackenzie (1860–1935), British philosopher John Joseph Mackenzie (1865–1922), Canadian pathologist John Mackenzie (VC) (1869–1915), Scottish recipient of the Victoria Cross John Mackenzie (sailor) (1876–1949), British Olympic sailor John MacKenzie (Medal of Honor) (1886–1933), American Medal of Honor recipient John Mackenzie (film director) (1928–2011), Scottish film director John Ashton MacKenzie (1917–2010), U.S. federal judge John W. Mackenzie (died 1914), Canadian missionary to Vanuatu John Drew Mackenzie (died 1918), master craftsman and instructor of the Newlyn Copper school in Cornwall, UK John M. MacKenzie (born 1943), British historian of imperialism John Mackenzie, 5th Earl of Cromartie (born 1948), current chief of Scotland's Clan Mackenzie John MacKenzie (mountain guide) (1856–1933), Britain’s first professional mountain guide John Archie MacKenzie (born 1934), member of the Nova Scotia House of Assembly John Kenneth MacKenzie (1850–1886), English medical missionary to China John Muir Mackenzie (1854–1916), acting governor of Bombay John Edwin MacKenzie (1868–1955), Scottish chemist Jock MacKenzie, Scottish footballer