Hugh Mackay
Hugh Mackay or MacKay may refer to:
- Hugh Mackay (Scottish general), Scottish general in Dutch service
- Hugh Mackay of Bighouse, Scottish soldier
- Hugh Mackay (New Brunswick [politician, died 1848)], American-born politician, judge and soldier in New Brunswick
- Hugh Mackay (Quebec politician), Scottish-born businessman and politician in Quebec
- Hugh Mackay (footballer), Scottish footballer
- Hugh Mackay (New Brunswick politician, [born 1887)], Canadian politician
- Hugh Mackay, [14th Lord Reay], member of the British House of Lords
- Hugh Mackay (social researcher), Australian psychologist and social researcher
- Hugh MacKay (Nova [Scotia politician)], Canadian politician
- Hugh [Colin MacKay], Canadian Surgeon General