Catharine Ball Condon, née Catharine Northcutt Ball, is an American former competition swimmer, Olympic champion, and former world record-holder in three events. At the 1968 Summer Olympics, she won a gold medal as a member of the winning U.S. 4×100-meter medley relay team. Ball is a former world record holder in the 100-meter and 200-meter breaststroke events, and is remembered as a teenage star who was the dominant female breaststroke swimmer of her generation.