Clifford A. Hart, Jr. is an American diplomat. He assumed his responsibilities as Consul General of the United States of America to Hong Kong and Macau beginning on July 30, 2013. As Consul General, he is responsible for the Hong Kong and Macau Special Administrative Regions. His most recent appointment was as the Special Envoy for the Six-Party Talks, for which President Obama accorded him the personal rank of Ambassador. Hart holds a master's degree from the University of Virginia, where he was a President's Fellow.