Padraic Pearse "Paddy" McGuinness AO (27 October 1938 – 26 January 2008) was an Australian journalist, activist, and commentator. He began his career on the far left, then worked as a policy assistant to the more moderate Labor parliamentarian Bill Hayden. Later he found fame as a right-wing contrarian and finished his career as the editor of the conservative journal, Quadrant. He had also worked as a columnist for The Australian and The Sydney Morning Herald and as the editor of The Australian Financial Review.