Ronald Joseph Godfrey de Mel (born 11 April 1925) (Sinhala: රොනි ද මැල්) (known as Ronnie de Mel) is a Sri Lankan civil servant and a politician. civil servant. He was the Cabinet Minister of Finance from 1977 to 1988 United National Party government and was instrumental in the establishment of the free market economy in Sri Lanka. He was a Member of Parliament from the Matara District in the Parliament of Sri Lanka until 2004. He had served as a Senior Adviser to President.