Alona Bondarenko, Ukrainian tennis player
Alona Volodymyrivna Bondarenko Dyachok (Ukrainian: Альона Володимирівна Бондаренко, born 13 August 1984) is a Ukrainian former tennis player. Her younger sister Kateryna Bondarenko plays on the WTA Tour.
Her career-high singles ranking is No. 19, achieved on 14 April 2008. Alona defeated former world No. 1, Jelena Janković, in the third round of the 2010 Australian Open, and won the 2008 Australian Open women's doubles title with her sister Kateryna, beating Victoria Azarenka and Shahar Pe'er in the finals. She also formerly paired with her older sister Valeria in doubles.