David Fairlie Myles CBE (born 30 May 1925) is a Scottish Conservative Party politician.
Myles was elected Member of Parliament for Banffshire in 1979, gaining the seat from the Scottish National Party incumbent Hamish Watt. In 1983, the constituency was abolished by boundary changes and Myles stood unsuccessfully in the Liberal Party stronghold of Orkney and Shetland.
Myles married Janet Myles in 1951 and moved to Edzell to farm. They had four children, one of whom, Robert, is an Independent councillor for Brechin and Edzell and current leader of the administration.
He was appointed CBE in the 1988 Birthday Honours.