Brazil competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's twenty-third appearance at the Summer Olympics, having competed in all editions of the modern era from 1920 onwards, except the 1928 Summer Olympics in Amsterdam.
Argentina competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. Since the nation's official debut in 1900, Argentine athletes have competed in every edition of the Summer Olympic Games, except the 1904 Summer Olympics in St. Louis, the 1912 Summer Olympics in Stockholm, and the 1980 Summer Olympics in Moscow because of their support for the United States-led boycott.
Mexico competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. It was the nation's twenty-fourth appearance at the Summer Olympics. Athletes were given priority for vaccines in March.
Cuba competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic. The Cuban delegation was their smallest since 1964, which coincidentally was also in Tokyo. It was the nation's twenty-first appearance at the Summer Olympics. Cuba improved on its 2016 result, by winning 7 gold and 15 total medals after 5 and 11 in Rio.
Sarah Ann Hildebrandt is an American freestyle wrestler. She won the gold medal in the women's 50 kg event at the 2024 Summer Olympics in Paris, France. She won bronze in her event at the 2020 Summer Olympics in Tokyo, Japan. Hildebrandt is a four-time medalist at the World Wrestling Championships and a gold medalist at the Pan American Games. She is also a seven-time gold medalist at the Pan American Wrestling Championships.
Yusneylys Guzmán Lopez is a Cuban freestyle wrestler. She is a gold medalist at the Pan American Games and the Pan American Wrestling Championships. She is also a three-time medalist, including gold, at the Central American and Caribbean Games. Guzmán competed in the women's 50 kg event at the 2020 Summer Olympics held in Tokyo, Japan. Guzmán lost to Vinesh Phogat in semifinal but still qualified to the final round of women's 50 kg event at the 2024 Summer Olympics held in Paris, France as Vinesh Phogat, the original opponent of Sarah Hildebrandt was disqualified before the final game for being overweight by 100 grams. She lost to Hildebrandt, but would win the silver medal.
Yudaris Sánchez Rodriguez is a Cuban freestyle wrestler. She won the gold medal in her event at the 2018 Pan American Wrestling Championships held in Lima, Peru. In March 2020, she qualified at the 2020 Pan American Wrestling Olympic Qualification Tournament held in Ottawa, Canada to represent Cuba at the 2020 Summer Olympics in Tokyo, Japan.
Sakura Kokumai is an American karateka. She won the gold medal in the women's individual kata event at the 2019 Pan American Games in Lima, Peru and the 2023 Pan American Games in Santiago, Chile. She represented the United States in the women's kata event at the 2020 Summer Olympics in Tokyo, Japan.
Samantha "Sammy"Schultz is an American modern pentathlete. She won the silver medal in the women's individual event at the 2019 Pan American Games held in Lima, Peru. Achterberg and Jessica Davis also won the gold medal in the women's relay event.
Casey Kaufhold is an American archer competing in women's recurve events. She won the silver medal in the women's individual event at the 2021 World Archery Championships held in Yankton, United States. She competed in the women's individual and women's team events at the 2020 Summer Olympics held in Tokyo, Japan.
Alexandra Vanessa Grande Risco is a Peruvian karateka. She is a two-time gold medalist in the women's 61 kg event at the Pan American Games. She also won bronze in this event at the 2021 World Karate Championships in Dubai, United Arab Emirates. In 2021, Grande represented Peru at the 2020 Summer Olympics in Tokyo, Japan. She competed in the women's 61 kg event.
Andrea Maya Becerra Arizaga is a Mexican archer competing in women's compound events. She won the silver medal in the women's individual and women's team events at the 2023 World Archery Championships held in Berlin, Germany. She is also a silver medalist in the women's individual event at the 2019 Pan American Games in Lima, Peru and the 2023 Central American and Caribbean Games held in El Salvador.
Dafne Carolina Navarro Loza is a Mexican trampoline gymnast. She is the 2018 and 2022 World synchro bronze medalist and was Mexico's first World medalist in trampoline. As an individual, she became Mexico's first Pan American Games medalist in trampoline when she won the silver medal at the 2015 Pan American Games, and she won the bronze medal at the 2019 Pan American Games. She competed at the 2020 Olympic Games, becoming the first trampoline gymnast to represent Mexico at the Olympics.
Sergio Villamayor is an Argentine modern pentathlete. He won the bronze medal in the men's individual event at the 2019 Pan American Games held in Lima, Peru. He also won the bronze medal in the men's relay event, alongside Emmanuel Zapata. He qualified to represent Argentina at the 2020 Summer Olympics in Tokyo, Japan.
Anriquelis Barrios is a Venezuelan judoka. She is a gold medalist in the women's 63 kg event at the Central American and Caribbean Games. She is also a silver medalist in her event at the 2019 Pan American Games and the 2020 Pan American Judo Championships.
Vanessa Fernanda Chalá Minda is an Ecuadorian judoka. She is a gold medalist at the South American Games and a two-time gold medalist at the Pan American Judo Championships. She is also a bronze medalist at the Pan American Games.
Jacqueline del Rocío Mollocana Eleno is an Ecuadorian freestyle wrestler. She won the gold medal in the women's 50 kg event at the 2022 Bolivarian Games held in Valledupar, Colombia. Mollocana is a gold medalist at the South American Games and a five-time medalist, including gold, at the Pan American Wrestling Championships.
Verónica Estela Saladín Tolentino is a weightlifter from the Dominican Republic. She won the silver medal in the women's +87 kg event at the 2019 Pan American Games held in Lima, Peru. She is also a three-time silver medalist at the Pan American Weightlifting Championships and a two-time medalist, including gold, at the Central American and Caribbean Games.
Mariana D'Andrea is a Brazilian Paralympic powerlifter. She won the gold medal in the women's 73 kg event at the 2020 Summer Paralympics held in Tokyo, Japan. She is the first competitor representing Brazil to win a gold medal in powerlifting at the Paralympics. A few months later, she won the silver medal in her event at the 2021 World Para Powerlifting Championships held in Tbilisi, Georgia.
Nathaly Josefina Grimán Herrera is a Venezuelan freestyle wrestler. She is a gold medalist at the Central American and Caribbean Games and a two-time gold medalist at the Bolivarian Games. She is also a five-time medalist at the Pan American Wrestling Championships.
