Susanne Jean Atwood (born June 5, 1953) is an American former competition swimmer, two-time Olympic medalist, and former world record-holder in two events.

[1] She garnered significant success three years later at the 1971 Pan American Games in Cali, Colombia, where she received three medals.

[1] She received the silver medal for her second-place performance (2:20.38) in the women's 200-meter backstroke, finishing behind fellow American Melissa Belote, who set a new world-record time in the event (2:19.19).

[4] Atwood received a bronze medal for her third-place finish in the women's 100-meter backstroke, coming behind Belote and Hungarian Andrea Gyarmati.

[5] She also swam the backstroke leg for the winning U.S. team in the preliminary heats of the women's 4×100-meter medley relay.