Sir William Kennedy Reid KCB (born 15 February 1931) is a retired civil servant who was Parliamentary Commissioner for Administration and Health Service Commissioner for England, Scotland and Wales (Parliamentary and Health Service Ombudsman) between 1990 and 1996. Reid was born in Aberdeen in 1931 and was educated at Robert Gordon's College and George Watson's College. He studied at Edinburgh University and Trinity College, Cambridge, where he achieved first-class honours in Classics.