Daria Sergeyevna Kasatkina (born 7 May 1997) is a Russian tennis player. On August 15 2016, she reached her best singles ranking of world number 24 and her best doubles ranking of world number 43.
Kasatkina, coached by Vladimir Platenik from Slovakia, has won one singles and one doubles WTA title on in her career. She also won the girls' singles tournament at the French Open in June 2014, defeating Ivana Jorovi? in three sets in the final. Kasatkina was part of the Russia team that won the Junior Fed Cup in 2013.