|Birth||5 November 1983|
Tanya Karen Seymour (born 5 November 1983) is a South African dressage rider. She competed at the 2014 World Equestrian Games in Normandy where she finished 20th with the South African team in the team competition and 98th in the individual dressage competition.
She was born in South Africa, but moved to Australia with her family in 2000. She has been based in Germany since 2007, where she is coached by Jonny Hilberath. She believes that riding should be light and harmonious, with the horse always happy and willing to perform. She credits her support team with maintaining her horses in the highest standard of care possible to ensure they can perform to their best ability.
She earned an individual dressage 2016 Summer Olympics quota place for South Africa after finishing 4th at the Olympic qualification event held in Perl, Germany. She finished in 56th place at the 2016 Summer Olympics, becoming the first ever South African dressage rider to compete at the Olympics.