Ksenia Dmitrievna Afanasyeva is a retired Russian artistic gymnast who competed at the 2008 and 2012 Summer Olympics. She is the 2011 world champion on floor exercise, the 2013 and 2015 European floor champion, and the 2013 Universiade vault and floor champion. Widely regarded as one of the most original and artistic gymnasts of all time, she retired from elite gymnastics in July 2016 due to kidney disease, a month away from the 2016 Summer Olympics, for which she was the Russian team's first alternate.

Ksenia Andreyevna Semyonova is a retired Russian artistic gymnast. She is the 2007 world champion on the uneven bars, the 2008 European champion on the uneven bars and the balance beam, and the 2009 European all-around champion. She also won a gold medal with the Russian team at the 2010 World Artistic Gymnastics Championships. She represented Russia at the 2008 Summer Olympics where she finished fourth in the team competition, fourth in the all-around, and sixth in the uneven bars final.