Argentina at the 1952 Summer Olympics in Helsinki, Finland was the nation's ninth appearance out of twelve editions of the Summer Olympic Games. Argentina sent to the 1952 Summer Olympics its sixth national team, under the auspices of the Argentine Olympic Committee, 123 athletes, who competed in 77 events in 15 sports They brought home five medals: 1 gold, 2 silver and 2 bronze. The flag bearer was Delfo Cabrera, the gold medalist in the immediately previous Summer Olympic Games marathon.
The Union of South Africa competed at the 1952 Summer Olympics in Helsinki, Finland. 64 competitors, 60 men and 4 women, took part in 59 events in 13 sports.
Jean Hurring was a swimmer from New Zealand. She won a bronze medal in the 100 m backstroke at the 1952 Summer Olympics.
Gary Norman Hurring is a former swimmer from New Zealand, who won the gold medal at the 1978 Commonwealth Games in the men's 200 metres backstroke. He gained silver in the same event at the 1978 World Aquatics Championships.
The women's 100 metre backstroke event at the 1952 Olympic Games took place on 29–31 July at the Swimming Stadium. This swimming event used the backstroke. Because an Olympic-size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
Mary Louise Stepan was an American competition swimmer and Olympic medalist. As a 17-year-old, Stepan represented the United States at the 1952 Summer Olympics in Helsinki. She received a bronze medal as a member of the third-place U.S. team in the 4×100-meter freestyle relay, together with teammates Jackie LaVine, Jody Alderson and Evelyn Kawamoto. Individually, Stepan also competed in the women's 100-meter freestyle, advanced to the event final, and finished seventh overall with a time of 1:08.0.
Joan Alderson, later known by her married name Joan Braskamp, was an American competition swimmer and Olympic medalist. She received a bronze medal at the 1952 Summer Olympics.
Susanne Jean Atwood is an American former competition swimmer, two-time Olympic medalist, and former world record-holder in two events.
Carolyn Virginia Green, also known by her married name Carolyn Lewis, is an American former competition swimmer and two-time Pan American Games gold medalist.
Kendis Marion Moore, also known by her married name Kendis Drake, is an American former competition swimmer, Pan American Games medalist, and former world record-holder.
Nina Adams Harmer, also known by her married name Nina Thompson, is an American former competition swimmer, two-time Olympian, and Pan American Games gold medalist.
Mary Gray Freeman, also known by her former married name Mary Kelly, as Mary Freeman Kelly and by her subsequent married name Mary Spitzer, is an American former competition swimmer who represented the United States at the 1952 Summer Olympics in Helsinki, Finland in the 100-meter backstroke. After leaving competitive swimming in 1953, she became a Hall of Fame swim coach for Philadelphia's Vespar Boat Club from 1955-68 and coached the Women's Team at the University of Pennsylvania in 1960. Recognized as one of the most outstanding women coaches of her era, in 1964 she was the first woman to be recommended as an American Olympic coach but declined the nomination, believing a man should take the honor as they were more reliant on earning wages to live.
Coralie May O'Connor was an American competition swimmer who represented the United States at the 1952 Summer Olympics in Helsinki. O'Connor competed in the preliminary heats of the women's 100-meter backstroke and posted a time of 1:19.7.
Judith Theresa Roberts was an American competition swimmer who represented the United States at the 1952 Summer Olympics in Helsinki, Finland. Roberts competed in the women's 100-meter freestyle, advanced to the semifinals, and finished fourteenth overall with a time of 1:08.2.
Elizabeth Mary Coster is a New Zealand former swimmer, who specialises in backstroke and butterfly events. She helped the New Zealand team to pull off a fourth-place effort and broke a New Zealand record of 4:06.30 in the medley relay at the 2006 Commonwealth Games in Melbourne, Australia.
Glenda Joy Stirling is a former New Zealand swimmer who represented her country at the 1968 Summer Olympics and 1970 British Commonwealth Games.
Winsome Cripps was an Australian sprinter who competed at the 1952 Summer Olympics and the 1954 British Empire and Commonwealth Games.
Lilián Heinz is an Argentine sprinter who competed in the 1952 Summer Olympics and won medals in two Pan American Games.
Liliana Tagliaferri is an Italian sprinter who is twice National Champion at 100 metres and competed in the 1948 Summer Olympics and the 1952 Summer Olympics.
Hartwell F. Jordan is a sailor from Oakland, California, United States. who represented his country at the 2000 Summer Olympics in Sydney, Australia as crew member in the Soling. With helmsman Jeff Madrigali and fellow crew member Craig Healy they took the 9th place.
United States 
