Deshamanya Gamani Corea (4 November 1925 – 3 November 2013) was a Sri Lankan economist, civil servant and diplomat. He was also the Secretary-General of the United Nations Conference on Trade and Development and Under-Secretary-General of the United Nations from 1974 to 1984, Ceylon's Ambassador to the EEC, Belgium, Luxembourg and the Netherlands, the Permanent Secretary of the Ministry of Planning and Economic Affairs of Ceylon and the Senior Deputy Governor of the Central Bank of Ceylon.