Peter Kavanagh may refer to:
Peter Kavanagh (footballer) (1910–1993), Irish footballer Peter Kavanagh (writer) (1916–2006), writer, scholar, and publisher Peter Kavanagh (politician) (born 1959), Australian politician and legal academic Peter Kavanagh, a fictional character from Stargate Atlantis Peter Kavanagh (producer) (1953–2016), Canadian radio producer, creator of Canada Reads Peter Cavanagh (born 1981), English footballer for Liverpool and Accrington Stanley Peter Cavanagh (impressionist) (1914–1981), English comic impressionist Peter Cavanaugh, DJ and radio station manager