John O'Leary (born c. 1961) is a Dublin-born Gaelic footballer who played for the O'Dwyers club and at senior level for the Dublin county team. He is an area manager for Permanent TSB and in 2007 was a candidate for Fianna Fáil in the constituency of Dublin North. O'Leary has a biography of his sporting career with Dublin (co-written with Martin Breheny and published by Blackwater Press in 1997), entitled Back To The Hill.