Mac Eoin

Mac Eoin, MacEoin or McEoin is an Irish surname. Notable people with the surname include:

• Denis MacEoin (born 1949), Irish editor
• Gearóid Mac Eoin (born 1929), Irish academic
• Seán Mac Eoin (1893–1973), Irish politician
• Tomás Mac Eoin (born 1937), Irish singer
• Owen MacEoin Dubh MacAlister (?–1571), Chief of Clan MacAlister
• Athairne Mac Eoghain (1200–1600), Irish poet