William Mackenzie

William Mackenzie, McKenzie, Mckenzie or MacKenzie may refer to:

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Artists, musicians, writers and entertainers

William Lyon Mackenzie (1795–1861), Scottish-born journalist & rebel in Upper Canada; grandfather of Canadian prime minister William Lyon MacKenzie King
- William Lyon Mackenzie (fireboat)
William Mackay Mackenzie (1871–1952), Scottish historian, archaeologist and writer
Will Mackenzie (born 1938), American television director and actor
Billy Mackenzie (William MacArthur MacKenzie, 1957–1997), Scottish singer

Bill McKenzie, Baron McKenzie of Luton (1946-2021), English politician
William Mackenzie, 1st Baron Amulree (1860–1942), British barrister, public servant and politician
William Mackenzie, 5th Earl of Seaforth (died 1740), Scottish nobleman
William Albany McKenzie (1928–1991), mayor of Fremantle, Western Australia, and Administrator of Christmas Island
William Alexander McKenzie (1874–1966), builder and political figure in British Columbia
William Forbes Mackenzie (1807–1862), Scottish Conservative politician and temperance reformer
William H. MacKenzie (1890–1972), New York assemblyman
William McKenzie (Australian politician) (1883–1969), Victorian state politician

Bill MacKenzie (William Kenneth MacKenzie, 1911–1990), Canadian ice hockey player
Bill McKenzie (ice hockey) (William Ian McKenzie, born 1949), Canadian ice hockey player
Bill McKenzie (footballer) (1889–1983), Australian footballer for Melbourne
Bill S. McKenzie (1934–1974), Australian footballer for Richmond
Bill McKenzie (rugby league), New Zealand rugby league player
Will MacKenzie (William Ruggles MacKenzie, born 1974), American golfer
Billy MacKenzie (motorcyclist) (born 1984), Scottish motocross racer
William McKenzie (rugby union) (1871–1943), international New Zealand rugby union player
William McKenzie (sailor) (born 1997), New Zealand sailor

William Mackenzie (contractor) (1794–1851), British civil engineering contractor
William Mackenzie (ophthalmologist) (1791–1868), Scottish ophthalmologist
William Mackenzie (trader) (1826-1890), born in Edinburgh, trader in Arorae, Gilbert Islands.
William Mackenzie (railway entrepreneur) (1849–1923), railway contractor and entrepreneur in Canada, the United States, and Brazil
William Mackenzie (doctor) (1862–1935), doctor in public health
William Colin Mackenzie (1877–1938), Australian anatomist, benefactor, museum administrator and director
William Douglas Mackenzie (1859–1936), American theologian
William Gregor MacKenzie (1904-1995), plantsman and gardener
William Macdonald Mackenzie (1797–1856), Scottish architect
William MacKenzie (missionary) (1897–1972), Australian missionary
William McKenzie (missionary) (1861–1895), Canadian missionary
William Mackenzie (publisher), publisher of natural history books in the 1870s
W. J. M. Mackenzie (William James Millar Mackenzie, 1909–1996), British political scholar
William John MacKenzie (1894–?), American flying ace