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. Later on in her career she married her American sports-psychologist Bob Nideffer, and changed her nationality to compete for the United States.
Doubles: 3 (2 titles, 1 runner-up)
Mixed doubles: 1 (1 runner-up)
Singles: 1 (1 title, 2 runner-ups)
Doubles: 43 (19 titles, 24 runner-ups)
Rosalyn Fairbank-Nideffer at the Women's Tennis Association
Rosalyn Nideffer at World Tennis
Rosalyn Nideffer at the Billie Jean King Cup (archived)