John Davies (businessman)
 John Emerson Harding Harding-Davies MBE PC (8 January 1916 – 4 July 1979) was a successful British businessman who served as Director-General of the Confederation of British Industry during the 1960s. He later went into politics and served in the Cabinet of Edward Heath as the first Secretary of State for Trade and Industry a position which he held from October 1970 to 4 November 1972. Davies was President of the Board of Trade and from July to October 1970 was Minister of Technology.