Liam O'Connor

• Liam O'Connor (architect), British architect
• Liam O'Connor (cricketer), Australian cricketer
• Liam O'Connor (Danish rapper), rapper, known as L.O.C.
• Liam O'Connor (fiddler), Irish fiddle player
• Liam O'Connor (Gaelic footballer), Irish Gaelic footballer
• Liam O'Connor (Irish musician), multi-instrumentalist and accordion player
• Liam O'Connor (rugby union), Irish rugby union player