Ann Marshall
Barbara Ann Marshall is an American former swimmer and former world record-holder.
Marshall represented the United States in the 1972 Summer Olympics in Munich, Germany. She swam for the gold medal-winning U.S. team in the preliminary heats of the women's 4×100-meter freestyle relay, but did not receive a medal. Under the international swimming rules in effect in 1972, only those relay swimmers who competed in the event final received medals. Individually, she also competed in the women's 200-meter freestyle, and placed fourth in the event final with a time of 2:05.45.