Greg O'Halloran (born 6 September 1980 in Cork, Republic of Ireland) is an Irish former professional footballer.

He has six Munster Senior Cup medals to his name, as well as two League of Ireland Premier Division titles.

O'Halloran rejoined former club Shelbourne on loan from Galway United for the first half of 2008 season.

[3] O'Halloran was on the Galway United transfer list from 1 July 2008 when his loan period with Shelbourne ended.

[5] In October 2010 he signed a new contract with City, but will not be continuing in his role as assistant manager so that he can concentrate on playing.