David Cairns
David Cairns may refer to:
- David Cairns (politician) (1966–2011), British politician
- David Cairns (rugby league), rugby league footballer
- David Cairns (writer) (born 1926), music critic and writer
- David Cairns, 5th Earl Cairns (1909–1989), Marshal of the Diplomatic Corps in the Royal Household
- David Cairns (musician) (born 1958), songwriter