Alexander McKenzie

Alexander McKenzie may refer to:


 * Alexander McKenzie (Medal of Honor) (1837–?), US Navy boatswain's mate and Medal of Honor recipient
 * Alexander McKenzie (politician) (1851–1922), Canadian-born politician in early North Dakota
 * Alexander McKenzie (chemist) (1869–1951), Scottish chemist
 * Alexander McKenzie (artist) (born 1971), Australian contemporary artist
 * Alexander McKenzie (footballer) (1870–1914), Australian rules footballer
 * Alec McKenzie (1882–1968), Australian rules footballer
 * Alex McKenzie (1896–1992), New Zealand sharebroker and political party president