Mackay
- A. Murray MacKay Bridge
- Aeneas James George Mackay
- Aeneas Mackay Jr.
- Buddy MacKay
- Charles Mackay (author)
- Clan Mackay
- Clapton, London
- David J. C. MacKay
- Derek Mackay
- Donald MacCrimmon MacKay
- Electoral district of Mackay
- Fort MacKay
- George Leslie Mackay
- George Robert Aberigh-Mackay
- Harper MacKay
- John Bain Mackay
- John Henry Mackay
- John Mackay (industrialist)
- Lake Mackay (disambiguation)
- MacKay, Alberta
- Mackay Airport
- Mackay Memorial Hospital
- Mackay Region
- Mackay Trophy
- Mackay railway station
- Mackay, Idaho
- Mackay, Queensland
- Mackays
- Mackey (disambiguation)
- Mackeys (disambiguation)
- Mariellen MacKay
- McKay
- McKay (disambiguation)
- McKay (given name)
- McKey (disambiguation)
- Robert Sinclair MacKay
- Shena Mackay
- Shuanglian metro station