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- Ian McKay (disambiguation):
- Ian McKay
- Ian McKay (writer)
- Ian McKay (historian)
- Ian McKay (footballer)
- Ian Mackay, VC (May 7, 1953 – June 12, 1982). Platoon Sergeant in the Parachute Regiment, awarded the Victoria Cross posthumously in the Falklands War.
- Iven Giffard Mackay, Australian World War 2 general.
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