Alexander Cairncross
Alexander Cairncross is the name of the following people:
- Alexander Cairncross (Bishop) (1637–1701), Scottish clergyman, Archbishop of Glasgow
- Alexander Kirkland Cairncross , real name of Alec Cairncross (1911–1998), British economist and civil servant
- Alexander Messent Cairncross , real name of Sandy Cairncross (* 1948), British epidemiologist