Marta Kostyuk, Ukrainian tennis player
Marta Olehivna Kostyuk (Ukrainian: Марта Олегівна Костюк; born 28 June 2002) is a Ukrainian tennis player. She has a career-high singles ranking of world No. 49 in singles, achieved on 14 February 2022, and No. 69 in doubles, reached on 14 February 2022.