Daniël Coenraad du Plessis (born 9 August 1948 in Potchefstroom, North West, South Africa) is a former South African rugby union player.
[1] Du Plessis played for Northern Transvaal in the South African Currie Cup competition.
He was selected on the replacement bench for the Springboks during the test series against the 1976 visiting All Blacks, but did not get any game time.
Du Plessis made his debut for the Springboks against the touring World XV on 27 August 1977 at Loftus Versveld in Pretoria.
He played his second and last test match for the Springboks against the South American Jaguars on 3 May 1980 at Kings Park Stadium in Durban.