William Mackenzie, McKenzie, Mckenzie or MacKenzie may refer to:
Artists, musicians, writers and entertainers
Politicians and noblemen
- Bill McKenzie, Baron McKenzie of Luton (1946-2021), English politician
- William Mackenzie, 1st Baron Amulree (1860âÂÂ1942), British barrister, public servant and politician
- William Mackenzie, 5th Earl of Seaforth (died 1740), Scottish nobleman
- William Albany McKenzie (1928âÂÂ1991), mayor of Fremantle, Western Australia, and Administrator of Christmas Island
- William Alexander McKenzie (1874âÂÂ1966), builder and political figure in British Columbia
- William Forbes Mackenzie (1807âÂÂ1862), Scottish Conservative politician and temperance reformer
- William H. MacKenzie (1890âÂÂ1972), New York assemblyman
- William McKenzie (Australian politician) (1883âÂÂ1969), Victorian state politician
Sportsmen
- Bill MacKenzie (William Kenneth MacKenzie, 1911âÂÂ1990), Canadian ice hockey player
- Bill McKenzie (ice hockey) (William Ian McKenzie, born 1949), Canadian ice hockey player
- Bill McKenzie (footballer) (1889âÂÂ1983), Australian footballer for Melbourne
- Bill S. McKenzie (1934âÂÂ1974), 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) (1871âÂÂ1943), international New Zealand rugby union player
- William McKenzie (sailor) (born 1997), New Zealand sailor
Other people
- William Mackenzie (contractor) (1794âÂÂ1851), British civil engineering contractor
- William Mackenzie (ophthalmologist) (1791âÂÂ1868), Scottish ophthalmologist
- William Mackenzie (trader) (1826-1890), born in Edinburgh, trader in Arorae, Gilbert Islands.
- William Mackenzie (railway entrepreneur) (1849âÂÂ1923), railway contractor and entrepreneur in Canada, the United States, and Brazil
- William Mackenzie (doctor) (1862âÂÂ1935), doctor in public health
- William Colin Mackenzie (1877âÂÂ1938), Australian anatomist, benefactor, museum administrator and director
- William Douglas Mackenzie (1859âÂÂ1936), American theologian
- William Gregor MacKenzie (1904-1995), plantsman and gardener
- William Macdonald Mackenzie (1797âÂÂ1856), Scottish architect
- William MacKenzie (missionary) (1897âÂÂ1972), Australian missionary
- William McKenzie (missionary) (1861âÂÂ1895), Canadian missionary
- William Mackenzie (publisher), publisher of natural history books in the 1870s
- W. J. M. Mackenzie (William James Millar Mackenzie, 1909âÂÂ1996), British political scholar
- William John MacKenzie (1894âÂÂ?), American flying ace
Characters