Petra Martić (Croatian pronunciation: ; born 19 January 1991) is a professional tennis player from Croatia. She has won one singles title on the WTA Tour - the 2019 Istanbul Cup, and reached the quarterfinals of the 2019 French Open. She has also won one WTA 125K series tournament, as well as four singles and five doubles titles on the ITF Women's Circuit. In June 2019 she reached her career-high ranking of world No. 24.
Petra Martić was born in Split, Croatia to Nenad (father) and Sandra (mother). She grew up in the village of Duće, 30 km from Split, and moved to Split at the age of 10. Her father died in a car accident when Petra was five, and her uncle Mladen was killed during the Croatian War of Independence. Petra is quoted saying that her mother is a hero to her for managing to go through all this and raising Petra by herself, and that this motivates her to excel in tennis and bring joy to her family.