George O'Callaghan, Irish footballer
George Paul O'Callaghan (born 5 September 1979) is an Irish former football player and manager.

O'Callaghan started his career with Port Vale in 1995, he made 41 appearances for the club before joining Cork City in 2002. He spent five years at his home town club, making 150 league appearances. This was followed by a return to English football with Ipswich Town, before a brief return to Cork in 2008. In the summer of 2008 he signed with Tranmere Rovers, before brief spells with Dundalk and Yeovil Town in 2009. He then returned to his homeland for short stays at Waterford United and former club Cork City. He was briefly with Cambridge United in 2011, before he emigrated to Brunei to briefly play for DPMM FC. He joined Dover Athletic for a brief stay in September 2012. He began his management career with Malaysian side Sabah in 2014, but lasted only months in the role.