Evette de Klerk (born 21 August 1965) is a South African former track and field sprinter. She was the dominant female sprint athlete in South Africa in the 1980s, winning 100 metres/200 metres doubles at the national championships ten years running from 1982 to 1991. She also took three South African titles in the 400 metres. These included championships records of 11.06 seconds (her lifetime best) for the 100 m and 22.36 seconds for the 200 m. She briefly competed under a married name as Evette Armstrong in 1986 and 1987.