Lina Qostal
Lina Qostal is a Moroccan tennis player.
Qostal has won one doubles title on the ITF tour in her career. On 19 May 2014, she reached her best singles ranking of world number 1165. On 10 November 2014, she peaked at world number 792 in the doubles rankings.
Qostal made her WTA tour debut at the 2013 Grand Prix SAR La Princesse Lalla Meryem, having been awarded a wildcard into both the singles and doubles draws. In singles, she was drawn against Karin Knapp and was beaten by the Italian in their first round encounter. She partnered with Alizé Lim in the doubles event but fared no better there, ultimately losing to Sandra Klemenschits and Andreja Klepač in the first round.
Qostal currently studies at the University of Pennsylvania, where she is enrolled in the college of arts and sciences, and is a member of the women's varsity tennis team.
Qostal previously studied at Lycée Descartes in the capital city of Morocco, Rabat.
Playing for Morocco at the Fed Cup, Qostal has a win-loss record of 9-3.
ITF Circuit Finals
Doubles: 1 (1–0)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Winner | 1. | 17 November 2013 | Oujda, Morocco | Clay |  Zarah Razafimahatratra |  Alexandra Nancarrow  Olga Parres Azcoitia | 6–3, 7–5 |
Fed Cup participation
Singles
Doubles
- Abandoned doesn't count in her overall record.