Gülşen Degener (born 25 October 1968, in Şanlıurfa) is a female Turkish-born, Germany-resident professional carom billiards player.

[2] She began playing billiards while she was at Uludağ University in Bursa, Turkey, studying English philology and literature.

In the summer of 2013, she quit her profession as a teacher in Germany, which she had taken a break as she received an offer in the Netherlands to switch over to professional billiards player.

[6] She repeated her achievement as runners-up at the 2016 CEB European Women's Three-cushion Cup held in the Netherlands on June 17–19, 2016 after losing to the world champion Dutch Therese Klompenhouwer by 30-16 in the finals.

[8] In April 2023, she took part at the CEB European Three-cushion Championship held at Belekşn Serik, Antalya, Turkey as part of the Turkish national team, and won the silver medal with her team mate Güzin Müjde Karakaşlı.