Peta Jane Buscombe, Baroness Buscombe (née O'Flynn, born 12 March 1954) is an English barrister, regulator and politician. She is a Conservative member of the House of Lords. Lady Buscombe was Chief Executive of the Advertising Association from 2007 to 2009. She served as Chairman of the Press Complaints Commission from April 2009 until 16 October 2011.