Christo van Rensburg (born 23 October 1962) is a former professional tennis player from South Africa.

He won his first doubles title on ATP Tour later that year at Cleveland.

Van Rensburg won 20 top-level doubles titles during his career, including one Grand Slam men's doubles title at the Australian Open in 1985, partnering Paul Annacone.

He also won two ATP singles titles at Orlando in 1987, and at Johannesburg in 1989.

Van Rensburg's career-high rankings were world No.