Frank Dunlop (born 9 October 1947) is an Irish lobbyist, former civil servant and former broadcast journalist with Raidió Teilifís Éireann (RTÉ). Originally from County Kilkenny, he was a key witness to the Mahon Tribunal which investigated improper payments by property developers to Irish politicians and will be a key witness in pending political corruption cases involving property developers and politicians to whom he paid bribes on their behalf.