Alona Bondarenko (born August 13, 1984) is a Ukrainian tennis player. She has a younger sister Kateryna Bondarenko who also plays on the Tour.
In 2005, she made her grand slam debut at the Australian Open, where she suffered a first round loss to sixth seeded Elena Dementieva of Russia, 6-3 6-3. Two weeks later, she reached her first WTA tour quarterfinal at Pattaya City, Thailand, where she lost to eventual runner-up, Anna-Lena Grönefeld of Germany, in straight sets.
The following week at Hyderabad, she reached her first tour final as the tournament's ninth seeded player, falling to hometown favourite Sania Mirza, in three tight sets. Following her loss, she made her first appearance in the women's top 100 rankings. The rest of 2005 saw many more successes for the Ukrainian. She made numerous appearances in top WTA tour events, including making the third-round of Wimbledon, defeating Tatiana Golovin of France on the way. She also made the quarter-finals of a Tier III event in Bali.
2006 has seen Bondarenko's rise up into the top 100 and closing in on the top 50. She has reached three quarter-final appearances at Hobart, Bangalore and Prague respectively, and a semifinal at Rabat. She has also won an ITF title at Orange in California. Her success in doubles is also growing with her first WTA tour doubles title at Istanbul partnering Anastasiya Yakimova.
Bondarenko won her first WTA tour singles title on October 1, 2006 at the FORTIS Championships in Luxembourg City, defeating Mary Pierce 6-3, 6-3 in the first round and No. 5 seed Francesca Schiavone 6-3, 6-2.
On May 7, 2007 she finished runner-up to Justine Henin at the Tier II J&S Cup held in Warsaw, Poland losing 6-1, 6-3. In the semi-finals, she got the first top ten win of her career over Svetlana Kuznetsova in straight sets.
On the October 17, 2007 Bondarenko beat Amélie Mauresmo 2-6, 6-4, 6-1 at the 2007 Zürich Open.