Ronald Joseph Godfrey de Mel, CCS (Sinhala: රොනි ද මැල්) (known as Ronnie de Mel) is a Sri Lankan politician, Born: 11 April 1925. civil servant and Senior Adviser to President. He was 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 married Mallika Lakshmi de Mel née Fernando, daughter of Sir Leo Fernando.