Khrystyna Stuy (Ukrainian: Христина Стуй; born 3 February 1988 in Uhryniv)[1] is a Ukrainian sprint athlete who specializes in the 100 metres.

[2] Stuy competed in the 4 × 100 metres relay at the 2009 World Championships without reaching the final.

[3] At the 2009 European U23 Championships, the Ukrainian team failed to finish the race.

[4] At the 2012 Olympic Games in London, Stuy and her teammates Olesya Povh, Mariya Ryemyen, and Yelyzaveta Bryzhina won the bronze medals in the 4 × 100 metres relay by setting a new national record.

[8] Stuy was a student at the Lviv State College of Physical Education.