Zara Anne Elizabeth Tindall is a member of the British royal family, a British equestrian, an Olympian, and the daughter of Anne, Princess Royal, and Captain Mark Phillips. She is a granddaughter of Queen Elizabeth II, a niece of King Charles III and 20th in the line of succession to the British throne.
Sir Mark James Todd is a New Zealand horseman noted for his accomplishments in the discipline of eventing, voted Rider of the 20th century by the International Federation for Equestrian Sports.
Robert Blyth Tait is a New Zealand equestrian. Tait has competed at four Olympics and has won four medals, one of only four New Zealanders to do so.
Theodora Elisabeth Gerarda "Anky" van Grunsven is a Dutch dressage champion who is the only rider to record three successive Olympic wins in the same event. Along with her Olympic successes, she has won numerous medals at the World Equestrian Games (WEG), and is the only rider to have competed at every WEG since they began in 1990. Between 1990 and 2006, she competed at the Games in dressage, but in 2010 she was named as part of the Dutch reining team, marking a major change in discipline.
Karen Lende O'Connor is an American equestrian who competes in three-day eventing. Although she did not come from a family of equestrians, her interest in horses started at an early age, and she received her first horse for her 11th birthday. O'Connor began competing internationally in the late 1970s, and in 1986 began riding for the US national eventing team. Since then, she had ridden in five Olympic Games, three World Equestrian Games and two Pan-American Games, winning multiple medals, including a team silver at the 1996 Olympic Games and a team bronze at the 2000 Olympic Games. She has also posted numerous wins and top-10 finishes at other international events. As of 2013, O'Connor is not competing, having suffered fractures to two thoracic vertebrae during a fall at a competition in October 2012.
Gillian Rolton was an Australian Olympic equestrian champion. She competed in two Olympic Games, the 1992 Barcelona Games and 1996 Atlanta Games, winning a gold medal in team eventing both times on her horse, Peppermint Grove. At the 1996 Atlanta Games, she broke her collarbone and ribs, but remounted and completed the course. She was only one of four Australians to win multiple equestrian Olympic gold medals.
Phillip Peter Dutton, OAM is an Australian-born Olympic-level equestrian rider competing in eventing for the United States of America. He is a dual Olympic gold medalist who formerly competed for his country of birth but now competes for the USA.
Isabell Werth is a German equestrian and world champion in dressage who competed in the Olympics six times winning twelve medals, seven of them gold. She holds the record for the most Olympic medals won by any equestrian athlete.
Yvonne Losos de Muñiz is an Olympic athlete and international Grand Prix dressage rider that represents the Dominican Republic. She belongs to the elite Dominican Olympic athlete program CRESO.
Vaughn Jefferis is a New Zealand horseman who won a bronze medal at the Olympic Games.
Ingrid Klimke is a German eventing rider. She appeared at five Olympics from 2000 to 2016. With her horse Abraxxas, she won two gold medals in team eventing at the 2008 Summer Olympics and the 2012 Summer Olympics. At the 2016 Summer Olympics, she won a team silver with Hale-Bob.
Thomas Franklin "Tom" Gayford is a retired Canadian equestrian. He was educated at the University of Toronto Schools. He competed at the 1952 and 1960 Olympics in the individual and team three-day events, but failed to finish. At the 1968 Olympics he won a gold medal in show jumping with the Canadian team.
Leslie Burr-Howard is an American equestrian and an Olympic champion in showjumping. She won team gold at the 1984 Los Angeles Olympics and team silver at the 1996 Atlanta Olympics, as well as team silver at the 1999 Winnipeg Pan American Games.
Laura Tomlinson MBE is a German-British dressage rider competing at Olympic level. As of 30 June 2012 the Fédération Équestre Internationale (FEI) ranked her 3rd in the world riding Mistral Højris and 36th on Andretti H. In that year, Tomlinson, riding Mistral Højris under her maiden name of Laura Bechtolsheimer, won two medals in the 2012 Summer Olympics in London; gold for Great Britain in the team dressage with Carl Hester and Charlotte Dujardin, the first ever Olympic team gold in the discipline for her country, and bronze in the individual dressage behind gold medalist and compatriot Dujardin.
Margie Goldstein-Engle is an American show jumping equestrian, and a 10-time American Grandprix Association Rider of the Year.
Christopher "Burto" Burton is an Australian equestrian. He was selected to represent Australia at the 2012 Summer Olympics in equestrian eventing.
Jonelle Price is a New Zealand equestrian, competing in eventing. She is married to Tim Price, also a New Zeland eventing rider. They are both competing at top international level.
Jonathan "Jock" Paget is a New Zealand equestrian who won a bronze medal in Team eventing at the 2012 Summer Olympics. In 2013 he became only the second rider to win the Badminton Horse Trials on debut after fellow New Zealander Mark Todd.
Julie Claire Brougham was a New Zealand equestrian, competing in dressage. She became New Zealand's oldest Olympic competitor when she competed at the 2016 Summer Olympics in Rio de Janeiro at age 62.
New Zealand 
