Greg O'Halloran (born September 6, 1980 in Cork, Republic of Ireland) is an Irish footballer playing with Cobh Ramblers in the FAI National League. O'Halloran is primarily a central midfielder and is also comfortable playing in defence.
Formerly a captain with Cork City, he has previously had a loan spell at Longford Town, before speculation of a move to Waterford United was quashed following his move to Shelbourne.
O'Halloran rejoined former club Shelbourne on loan from Galway United for the first half of 2008 season. O'Halloran was on the Galway United transfer list from July 1 2008 when his loan period with Shelbourne ended.. O'Halloran immediately joined Cobh Ramblers in July 2008 for the remainder of the 2008 campaign.
He is 5'10" tall and weighs 13 stones. He also has six Munster Senior Cup medals to his name.