Colin Mackay

• Colin MacKay (footballer), Australian rules footballer
• Colin B. Mackay, president of the University of New Brunswick, 1953–1969
• Sir Colin Mackay (judge), British High Court judge
• Colin MacKay (journalist, born 1944), Scottish journalist
• Colin Mackay (writer), poet and novelist
• Colin Mackay (journalist), Scottish journalist, Holyrood editor on STV News