Guatemala competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008. In what was the country's fourteenth Summer Olympics since its debut at the 1952 Summer Olympics in Helsinki, Finland. A total of twelve athletes competed in nine sports and twelve distinct events. It was the lowest number of participants for Guatemala since the 1980 Games in Moscow, USSR. Three of the twelve athletes were taking part in their second Olympics, and one of them, race walker Luis García, participated in his fourth. In any event that involved a progression through rounds, the Guatemalan athletes did not advance past the first round; as of the Beijing Olympics, there had yet to be a Guatemalan medalist. At the opening ceremony, badminton player Kevin Cordón bore Guatemala's flag.
Victoria Anatoliïvna Tereshchuk is a female former modern pentathlete from Ukraine. A competitor since 1999 she was awarded a bronze medal in the women's modern pentathlon event at the 2008 Summer Olympics in Beijing but was subsequently stripped of the medal after a doping re-test. She was World Champion in the individual and mixed relay events in 2011. For her World Championship victories, she was named Ukrainian Sportswoman of the Year and received the Order of Princess Olga in the Second Class. She is also the 2008 European Champion and competed at the 2004 and 2012 Olympic modern pentathlon tournaments, where she finished seventh and twenty-third respectively.
Chloe Esposito is an Australian shooter and modern pentathlon competitor. She competed at the 2008 Commonwealth Youth Games in the 10 m air pistol. She represented Australia at the 2012 Summer Olympics, London, in the modern pentathlon and won the gold medal in the same event at the 2016 Summer Olympics, Rio de Janeiro.
Monica Pinette is a two-time Olympic modern pentathlete from Canada. She is one of the first female Canadian modern pentathletes, and the only indigenous athlete of (Métis) to compete at the 2004 Summer Olympics in Athens, Greece. Her 13th place finish overall at the 2004 Summer Olympics was Canada's best recorded performance in the modern pentathlon to date.
Kara Grant is a two-time Olympic modern pentathlete from Canada. She is one of the first female Canadian modern pentathletes, along with Monica Pinette, to compete at the 2004 Summer Olympics in Athens, Greece.
Peter Samuel Konrad Sacksen is an American modern pentathlete from Somerset, Pennsylvania. He is currently ranked no. 56 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Yaniel Velázquez Garcia is a Cuban modern pentathlete. He won a silver medal for the men's event at the 2007 Pan American Games in Rio de Janeiro, Brazil, which earned him a qualifying place for the Olympics, with an impressive score of 5,344 points.
Leila Gyenesei is a Hungarian modern pentathlete and cross-country skier. She is a five-time medalist at the World Championships, and is currently ranked no. 19 in the world by the Union Internationale de Pentathlon Moderne (UIPM). She is also the daughter of István Gyenesei, former Minister of Local Government and chairman of the Association for Somogy party.
John Zakrzewski is a French modern pentathlete. He is currently ranked no. 179 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Bartosz Majewski is a Polish modern pentathlete. He won a silver medal for the relay at the 2010 European Championships in Debrecen, Hungary, and is currently ranked no. 63 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Marcin Horbacz is a Polish modern pentathlete. He is also a two-time champion at the 2007 and 2009 World Cup circuit, and is currently ranked no. 106 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Omnia Abdel Khalek Fakhry is an Egyptian modern pentathlete. Fakhry qualified for the 2008 Summer Olympics in Beijing, where she competed in the women's modern pentathlon, along with her teammate Aya Medany. During the competition, Fakhry made a strong performance in the early rounds, when she finished fifth in pistol shooting, and eighteenth in a one-touch épée fencing. She placed second in the third heat in the 200 m freestyle swimming, but displayed a poor performance in the show jumping, when her horse Naonao repeatedly stopped short, veered left before the obstacles, and nearly tossed her over the barrier. In the end, Fakhry finished the event with cross-country running in thirtieth place, for a total score of 4,996 points.
Lucie Grolichová is a Czech modern pentathlete. She is a six-time medalist at the World Championships.
Yun Cho-Rong is a South Korean modern pentathlete. She also won a gold medal for the women's individual event at the 2006 Asian Modern Pentathlon Championships in Kaohsiung, Taiwan.
Belinda Schreiber is a Swiss modern pentathlete. She is currently ranked no. 63 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Sara Bertoli is an Italian modern pentathlete. She won two medals, silver and bronze, in the women's relay event at the 2002 and 2004 World Championships in San Francisco, California, United States and in Warsaw, Poland, respectively. Bertoli is a member of the modern pentathlon team for Gruppo Sportivo Fiamme Azzurre, and is coached and trained by Luigi Filipponi.
Karla Marlene Sánchez Rodríguez is a Mexican modern pentathlete. She is currently ranked no. 82 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Angie Darby is an Australian modern pentathlete. As of August 2011, Darby is ranked no. 141 in the world by the Union Internationale de Pentathlon Moderne (UIPM).
Charles Fernandez is a Guatemalan modern pentathlete. He competed at the 2016 Summer Olympics in the men's event and finished fifteenth. Fernandez won the men's modern pentathlon at the 2015 Pan American Games. He also won a gold medal at the World Junior Championships. Fernandez has competed in three World Modern Pentathlon Championships as well as multiple youth and junior world championships and a Central American and Caribbean Games.
María Isabel Sanz-Agero is a Guatemalan modern pentathlete. She placed 31st in the women's individual event at the 2004 Summer Olympics. She is the mother of modern pentathlete Rita Sanz-Agero.
Guatemala 
