Jeļena Ostapenko

Jeļena "Aļona" Ostapenko (born 8 June 1997) is a Latvian professional tennis player. She has been ranked by the Women's Tennis Association (WTA) as high as world No. 5 in singles, which she achieved on 19 March 2018, and No. 3 in doubles, attained on 14 July 2025. She is the current No. 1 player from Latvia.

Ostapenko has won nine WTA Tour-level singles and twelve doubles titles, including a singles major at the 2017 French Open and a doubles major at the 2024 US Open, partnering Lyudmyla Kichenok. She has also won 15 singles titles and 15 doubles titles on the ITF Women's Circuit, and the junior singles event at the 2014 Wimbledon Championships. She is a member of the Latvia Billie Jean King Cup team.