Mariya Koryttseva (Ukrainian: Марія Коритцева, born May 25, 1985 in Kiev, Ukraine) is a Ukrainian female tennis player. Her career high ranking is No. 50 in the world, which she achieved on August 18, 2008.
Her biggest career highlight so far is a surprising run to the final of the 2007 Sunfeast Open held in Kolkata, India in September 2007. En route to her appearance in the final, she beat Monique Adamczak, Vania King, who had defeated the number one seed Marion Bartoli in the previous round, Tatiana Poutchek and Anne Keothavong. Her run came to an end at the hands of Maria Kirilenko, who beat her 6–0, 6–2 in the final. She lost the doubles finals as well.
As well as this run, she has won six doubles titles on the WTA Tour, two coming at Palermo, where she won with Giulia Casoni in 2005, and again with Darya Kustova in 2007. She won the 2008 ASB Classic with Lilia Osterloh. She was also the runner-up in doubles at Kolkata in 2007, where she lost the singles final, and lost the doubles final with Alberta Brianti to Vania King and Alla Kudryavtseva.
On the ITF Tour, where she has played a vast majority of her career, she has won six singles titles, and more notably, a massive nineteen doubles titles. One of these came at the $100k event in Kharkiv.
In the second round of qualifying for the 2008 Kremlin Cup Koryttseva beat Anastasia Pivovarova 6-3 6-7 7-5 in 3 hours and 55 minutes, making it the third longest match in the open era.