Alexander Donald Taylor AM (born 24 January 1928) is a former Australian politician who was a Labor Party member of the Legislative Assembly of Western Australia from 1968 to 1984, representing the seat of Cockburn.
He served as a minister in the government of John Tonkin, including as deputy premier from 1973 to 1974.
Taylor later served as Administrator of Christmas Island (an Australian external territory) from 1986 to 1990.