John Comyn may refer to:

• John Comyn (bishop) (1150–1212), Archbishop of Dublin
• John Comyn (died 1242), styled Earl of Angus
• John Comyn I of Badenoch (died c. 1275)
• John Comyn II of Badenoch (died 1302), son of John I, Guardian of Scotland
• John Comyn III of Badenoch (died 1306), killed by Robert the Bruce
• John Comyn IV of Badenoch (c. 1294–1314), son of John III
• John Comyn, Earl of Buchan (died 1308), cousin of John III
• John Comyn of Ulceby (died c. 1332), Anglo-Scottish noble

• John Comyns (1667–1740), English judge and MP

This disambiguation page lists articles about people with the same name.
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