Derek Lyle Keys (30 August 1931 – 29 April 2018)[1][2] was a South African politician who served as Minister of Finance from 1992 to September 1994, in the cabinets of F. W. de Klerk and Nelson Mandela.

Born in Johannesburg, he attended the University of Witwatersrand where he graduated with a Bachelor of Commerce degree in 1950.

[3]: 32  In the subsequent eight years he was involved in the development of many of the major South African industries.

Until 1986 Keys played largely advisory roles for several international and local companies operating in South Africa as a management consultant.

Keys resigned shortly on 6 July 1994, and was replaced by banker Chris Liebenberg on 19 September.