Liam O'Connor may refer to: Liam O'Connor (cricketer) (born 1993), Australian cricketer Liam O'Connor (Danish rapper), rapper, known as L.O.C. Liam O'Connor (fiddler) (born 1984), Irish fiddle player Liam O'Connor (Gaelic footballer) (1955–2013), Irish Gaelic footballer Liam O'Connor (Irish musician), multi-instrumentalist and accordion player Liam O'Connor (rugby union) (born 1995), Irish rugby union player