Alexander Campbell is a former politician of Prince Edward Island, Canada. He is the son of former premier Thane A.Campbell and Cecilia L.Bradshaw. He entered politics by winning a seat in the legislature through a 1965 by-election in 5th Prince.
Later the same year he was elected leader of the PEI Liberal Party and, in 1966 took the party to power becoming, at 32, one of the youngest premiers ever elected in Canada. He also held the position of Attorney-General from 1966 until 1969.