The United States of America (USA), represented by the United States Olympic Committee (USOC), competed at the 2012 Summer Olympics in London, from July 27 to August 12, 2012. U.S. athletes have competed at every Summer Olympic Games in the modern era, except the 1980 Summer Olympics in Moscow which they boycotted in protest of the Soviet invasion of Afghanistan. The USOC sent a total of 530 athletes to the Games, 262 men and 268 women, to compete in 25 sports. For the first time in its Olympic history, the United States was represented by more female than male athletes.
Courtney Lynn Thompson is an American former professional volleyball player who played as a setter for the United States women's national volleyball team. She won the 2005 national championship while playing for the University of Washington, and she set an NCAA record in career assists per game. Thompson won gold with the national team at the 2014 World Championship, silver at the 2012 London Summer Olympics, and bronze at the 2016 Rio Olympic Games.
Ana Grbac is a Croatian volleyball player. She is a member of the Croatia women's national volleyball team and plays for Hungarian club Szent Benedek.
Bernarda Brčić is a Croatian female volleyball player. She is a member of the Croatia women's national volleyball team and plays for RC Cannes since 2020.
Bernarda Ćutuk is a Croatian volleyball player. She is a member of the Croatia women's national volleyball team and played for SC Potsdam in 2014.
Christelle Tchoudjang Nana is a Cameroonian volleyball player.
Victoire Pauline L'or Ngon Ntame is a Cameroonian volleyball player. She is a member of the Cameroon women's national volleyball team and played for INJS Yaoundé in 2014.
Korinna Ishimtseva is a Kazakhstani female volleyball player. She is a member of the Kazakhstan women's national volleyball team and played for Zhetysu Almaty in 2014.
Radmila Beresneva is a Kazakh volleyball player. She is a member of the Kazakhstan women's national volleyball team and played for Irtysh Kazchrome in 2014.
Alejandra Patricia Segura Maldonado is a Mexican volleyball player. She is a member of the Mexico women's national volleyball team.
Cassidy Lichtman is an American female volleyball player. She was part of the United States women's national volleyball team from 2011 to 2016.
Tracy Stalls is an American female volleyball player. She was part of the United States women's national volleyball team. On the club level she played for Eczacibasi Sports Club in 2009.
Agata Karczmarzewska-Pura is a Polish female volleyball player. She was part of the Poland women's national volleyball team.
Jennifer Cross is a Canadian volleyball player. She is currently a captain on the Canadian national volleyball team. She has also previously played professional volleyball across Europe. She was a 2 time All-American at the University of Michigan, graduating with a degree in Biomechanics (2010-2014). She also competed in the 2017 FIVB Volleyball World Grand Prix.
Paola Ampudia is a Colombian volleyball player. She is part of the Colombia women's national volleyball team. On club level she played for Liga Vallecaucana in 2015.
Lauren Nicole Carlini is an American volleyball player. She plays for the United States women's volleyball team. She won the 2016 Sullivan Award as America's best amateur athlete.
Chiaka Sylvia Ogbogu is an American professional volleyball player. She plays for VakıfBank S.K. and the United States women's volleyball team. She participated in the 2018 Pan American Cup and the 2018 and 2019 FIVB Volleyball Women's Nations League.
Dayami Sanchez Savon is a Cuban female volleyball player. She is a member of the Cuba women's national volleyball team and played for Ciudad Habana.
Krista Vansant is a volleyball player and coach who played collegiately for Washington. In 2022, she was the assistant coach for the University of Illinois volleyball team after spending 3 seasons as an assistant coach at Indiana.
Sarah Grace Wilhite Parsons is an American professional volleyball player who plays as an outside hitter for Japan professional club NEC Red Rockets and the United States women's national volleyball team.
