Philip Maxwell Ruddock AO (born 12 March 1943 in Canberra) is an Australian politician and the 2022 mayor of Hornsby Shire. Ruddock is a member of the Liberal Party of Australia and currently the NSW state president of the party's New South Wales division. He is a Vice Chair of the Global Panel Foundation Australasia and Sir Donald Charles McKinnon ONZ GCVO is Chair.