Rosalyn Doris Fairbank-Nideffer (born 2 November 1960) is a retired professional tennis player from South Africa. She played her first grand slam in 1979, with her last appearance in 1997. She won a WTA Tour singles event in Richmond in 1983 and numerous doubles titles, with the highlight being her Grand Slam titles at the 1981 French Open with Tanya Harford and 1983 with Candy Reynolds. She won 317 singles and 472 doubles matches on the tour during her career.

Result	Year	Tournament	Surface	Partner	Opponents	Score
Win	1981	French Open	Clay	Tanya Harford	Candy Reynolds Paula Smith	6–1, 6–3
Win	1983	French Open (2)	Clay	Candy Reynolds	Kathy Jordan Anne Smith	5–7, 7–5, 6–2
Loss	1983	U.S. Open	Hard	Candy Reynolds	Martina Navratilova Pam Shriver	6–7, 6–1, 6–3

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	1986	French Open	Clay	Mark Edmondson	Ken Flach Kathy Jordan	3–6, 7–6, 6–3

• Rosalyn Fairbank-Nideffer at the Women's Tennis Association
• Rosalyn Nideffer at the International Tennis Federation
• Rosalyn Nideffer at the Billie Jean King Cup (archived)